Home / 3,792.30-5,688.45-3,144.30

Finding the Fourth Proportional to 3,792.30, 5,688.45 and 3,144.30

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Solution

The fourth proportional to 3,792.30, 5,688.45 and 3,144.30 is: 4,716.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,792.30 : 5,688.45 = 3,144.30 : x
  2. Step 2: Convert to fraction form
    3,792.30/5,688.45 = 3,144.30/x
  3. Step 3: Cross multiply
    3,792.30x = 5,688.45 × 3,144.30
  4. Step 4: Simplify right side
    3,792.30x = 17,886,193.34
  5. Step 5: Solve for x
    x = 17,886,193.34/3,792.30
  6. Step 6: Final answer
    x = 4,716.45

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Half 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.