Home / 3,281.52-4,528.32-1,865.13

Finding the Fourth Proportional to 3,281.52, 4,528.32 and 1,865.13

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Solution

The fourth proportional to 3,281.52, 4,528.32 and 1,865.13 is: 2,573.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.52 : 4,528.32 = 1,865.13 : x
  2. Step 2: Convert to fraction form
    3,281.52/4,528.32 = 1,865.13/x
  3. Step 3: Cross multiply
    3,281.52x = 4,528.32 × 1,865.13
  4. Step 4: Simplify right side
    3,281.52x = 8,445,905.48
  5. Step 5: Solve for x
    x = 8,445,905.48/3,281.52
  6. Step 6: Final answer
    x = 2,573.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.