Home / 2,487.23-3,730.99-1,025.88

Finding the Fourth Proportional to 2,487.23, 3,730.99 and 1,025.88

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Solution

The fourth proportional to 2,487.23, 3,730.99 and 1,025.88 is: 1,538.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,487.23 : 3,730.99 = 1,025.88 : x
  2. Step 2: Convert to fraction form
    2,487.23/3,730.99 = 1,025.88/x
  3. Step 3: Cross multiply
    2,487.23x = 3,730.99 × 1,025.88
  4. Step 4: Simplify right side
    2,487.23x = 3,827,548.02
  5. Step 5: Solve for x
    x = 3,827,548.02/2,487.23
  6. Step 6: Final answer
    x = 1,538.88

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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.