Home / 2,505.28-3,753.88-1,680.48

Finding the Fourth Proportional to 2,505.28, 3,753.88 and 1,680.48

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Solution

The fourth proportional to 2,505.28, 3,753.88 and 1,680.48 is: 2,518.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,505.28 : 3,753.88 = 1,680.48 : x
  2. Step 2: Convert to fraction form
    2,505.28/3,753.88 = 1,680.48/x
  3. Step 3: Cross multiply
    2,505.28x = 3,753.88 × 1,680.48
  4. Step 4: Simplify right side
    2,505.28x = 6,308,320.26
  5. Step 5: Solve for x
    x = 6,308,320.26/2,505.28
  6. Step 6: Final answer
    x = 2,518.01

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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.