Home / 2,220.37-3,064.17-1,225.65

Finding the Fourth Proportional to 2,220.37, 3,064.17 and 1,225.65

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Solution

The fourth proportional to 2,220.37, 3,064.17 and 1,225.65 is: 1,691.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.37 : 3,064.17 = 1,225.65 : x
  2. Step 2: Convert to fraction form
    2,220.37/3,064.17 = 1,225.65/x
  3. Step 3: Cross multiply
    2,220.37x = 3,064.17 × 1,225.65
  4. Step 4: Simplify right side
    2,220.37x = 3,755,599.96
  5. Step 5: Solve for x
    x = 3,755,599.96/2,220.37
  6. Step 6: Final answer
    x = 1,691.43

Related Problems

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Half scale
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Double scale
Find fourth proportional to 2,221.37, 3,065.55 and 1,226.65
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.