Home / 2,487.39-3,730.23-1,025.79

Finding the Fourth Proportional to 2,487.39, 3,730.23 and 1,025.79

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Solution

The fourth proportional to 2,487.39, 3,730.23 and 1,025.79 is: 1,538.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,487.39 : 3,730.23 = 1,025.79 : x
  2. Step 2: Convert to fraction form
    2,487.39/3,730.23 = 1,025.79/x
  3. Step 3: Cross multiply
    2,487.39x = 3,730.23 × 1,025.79
  4. Step 4: Simplify right side
    2,487.39x = 3,826,432.63
  5. Step 5: Solve for x
    x = 3,826,432.63/2,487.39
  6. Step 6: Final answer
    x = 1,538.33

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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.