Home / 3,722.50-5,583.58-1,531.18

Finding the Fourth Proportional to 3,722.50, 5,583.58 and 1,531.18

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Solution

The fourth proportional to 3,722.50, 5,583.58 and 1,531.18 is: 2,296.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.50 : 5,583.58 = 1,531.18 : x
  2. Step 2: Convert to fraction form
    3,722.50/5,583.58 = 1,531.18/x
  3. Step 3: Cross multiply
    3,722.50x = 5,583.58 × 1,531.18
  4. Step 4: Simplify right side
    3,722.50x = 8,549,466.02
  5. Step 5: Solve for x
    x = 8,549,466.02/3,722.50
  6. Step 6: Final answer
    x = 2,296.70

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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.