Home / 1,508.32-2,262.32-931.04

Finding the Fourth Proportional to 1,508.32, 2,262.32 and 931.04

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Solution

The fourth proportional to 1,508.32, 2,262.32 and 931.04 is: 1,396.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508.32 : 2,262.32 = 931.04 : x
  2. Step 2: Convert to fraction form
    1,508.32/2,262.32 = 931.04/x
  3. Step 3: Cross multiply
    1,508.32x = 2,262.32 × 931.04
  4. Step 4: Simplify right side
    1,508.32x = 2,106,310.41
  5. Step 5: Solve for x
    x = 2,106,310.41/1,508.32
  6. Step 6: Final answer
    x = 1,396.46

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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.