Home / 2,231.50-3,347.25-1,615.51

Finding the Fourth Proportional to 2,231.50, 3,347.25 and 1,615.51

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Solution

The fourth proportional to 2,231.50, 3,347.25 and 1,615.51 is: 2,423.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231.50 : 3,347.25 = 1,615.51 : x
  2. Step 2: Convert to fraction form
    2,231.50/3,347.25 = 1,615.51/x
  3. Step 3: Cross multiply
    2,231.50x = 3,347.25 × 1,615.51
  4. Step 4: Simplify right side
    2,231.50x = 5,407,515.85
  5. Step 5: Solve for x
    x = 5,407,515.85/2,231.50
  6. Step 6: Final answer
    x = 2,423.27

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Half scale
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Double scale
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Similar ratio
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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.