Home / 1,531.66-2,297.60-436.11

Finding the Fourth Proportional to 1,531.66, 2,297.60 and 436.11

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Solution

The fourth proportional to 1,531.66, 2,297.60 and 436.11 is: 654.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531.66 : 2,297.60 = 436.11 : x
  2. Step 2: Convert to fraction form
    1,531.66/2,297.60 = 436.11/x
  3. Step 3: Cross multiply
    1,531.66x = 2,297.60 × 436.11
  4. Step 4: Simplify right side
    1,531.66x = 1,002,006.34
  5. Step 5: Solve for x
    x = 1,002,006.34/1,531.66
  6. Step 6: Final answer
    x = 654.20

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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.