Home / 1,498.08-2,246.40-631.92

Finding the Fourth Proportional to 1,498.08, 2,246.40 and 631.92

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Solution

The fourth proportional to 1,498.08, 2,246.40 and 631.92 is: 947.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,498.08 : 2,246.40 = 631.92 : x
  2. Step 2: Convert to fraction form
    1,498.08/2,246.40 = 631.92/x
  3. Step 3: Cross multiply
    1,498.08x = 2,246.40 × 631.92
  4. Step 4: Simplify right side
    1,498.08x = 1,419,545.09
  5. Step 5: Solve for x
    x = 1,419,545.09/1,498.08
  6. Step 6: Final answer
    x = 947.58

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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.