Home / 3,742.56-5,612.08-1,792.60

Finding the Fourth Proportional to 3,742.56, 5,612.08 and 1,792.60

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Solution

The fourth proportional to 3,742.56, 5,612.08 and 1,792.60 is: 2,688.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.56 : 5,612.08 = 1,792.60 : x
  2. Step 2: Convert to fraction form
    3,742.56/5,612.08 = 1,792.60/x
  3. Step 3: Cross multiply
    3,742.56x = 5,612.08 × 1,792.60
  4. Step 4: Simplify right side
    3,742.56x = 10,060,214.61
  5. Step 5: Solve for x
    x = 10,060,214.61/3,742.56
  6. Step 6: Final answer
    x = 2,688.06

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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.