Home / 2,507.20-3,753.36-1,860.80

Finding the Fourth Proportional to 2,507.20, 3,753.36 and 1,860.80

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Solution

The fourth proportional to 2,507.20, 3,753.36 and 1,860.80 is: 2,785.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,507.20 : 3,753.36 = 1,860.80 : x
  2. Step 2: Convert to fraction form
    2,507.20/3,753.36 = 1,860.80/x
  3. Step 3: Cross multiply
    2,507.20x = 3,753.36 × 1,860.80
  4. Step 4: Simplify right side
    2,507.20x = 6,984,252.29
  5. Step 5: Solve for x
    x = 6,984,252.29/2,507.20
  6. Step 6: Final answer
    x = 2,785.68

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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.