Home / 2,225.45-3,337.16-1,185.19

Finding the Fourth Proportional to 2,225.45, 3,337.16 and 1,185.19

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Solution

The fourth proportional to 2,225.45, 3,337.16 and 1,185.19 is: 1,777.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,225.45 : 3,337.16 = 1,185.19 : x
  2. Step 2: Convert to fraction form
    2,225.45/3,337.16 = 1,185.19/x
  3. Step 3: Cross multiply
    2,225.45x = 3,337.16 × 1,185.19
  4. Step 4: Simplify right side
    2,225.45x = 3,955,154.94
  5. Step 5: Solve for x
    x = 3,955,154.94/2,225.45
  6. Step 6: Final answer
    x = 1,777.24

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.