Home / 1,508.39-2,262.60-631.03

Finding the Fourth Proportional to 1,508.39, 2,262.60 and 631.03

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Solution

The fourth proportional to 1,508.39, 2,262.60 and 631.03 is: 946.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508.39 : 2,262.60 = 631.03 : x
  2. Step 2: Convert to fraction form
    1,508.39/2,262.60 = 631.03/x
  3. Step 3: Cross multiply
    1,508.39x = 2,262.60 × 631.03
  4. Step 4: Simplify right side
    1,508.39x = 1,427,762.82
  5. Step 5: Solve for x
    x = 1,427,762.82/1,508.39
  6. Step 6: Final answer
    x = 946.55

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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.