Home / 3,531.60-5,293.08-1,581.12

Finding the Fourth Proportional to 3,531.60, 5,293.08 and 1,581.12

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Solution

The fourth proportional to 3,531.60, 5,293.08 and 1,581.12 is: 2,369.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.60 : 5,293.08 = 1,581.12 : x
  2. Step 2: Convert to fraction form
    3,531.60/5,293.08 = 1,581.12/x
  3. Step 3: Cross multiply
    3,531.60x = 5,293.08 × 1,581.12
  4. Step 4: Simplify right side
    3,531.60x = 8,368,994.65
  5. Step 5: Solve for x
    x = 8,368,994.65/3,531.60
  6. Step 6: Final answer
    x = 2,369.75

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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.