Home / 1,337.83-2,016.75-1,248.64

Finding the Fourth Proportional to 1,337.83, 2,016.75 and 1,248.64

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Solution

The fourth proportional to 1,337.83, 2,016.75 and 1,248.64 is: 1,882.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337.83 : 2,016.75 = 1,248.64 : x
  2. Step 2: Convert to fraction form
    1,337.83/2,016.75 = 1,248.64/x
  3. Step 3: Cross multiply
    1,337.83x = 2,016.75 × 1,248.64
  4. Step 4: Simplify right side
    1,337.83x = 2,518,184.64
  5. Step 5: Solve for x
    x = 2,518,184.64/1,337.83
  6. Step 6: Final answer
    x = 1,882.30

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.