Home / 1,049.31-1,575.05-1,025.77

Finding the Fourth Proportional to 1,049.31, 1,575.05 and 1,025.77

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Solution

The fourth proportional to 1,049.31, 1,575.05 and 1,025.77 is: 1,539.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049.31 : 1,575.05 = 1,025.77 : x
  2. Step 2: Convert to fraction form
    1,049.31/1,575.05 = 1,025.77/x
  3. Step 3: Cross multiply
    1,049.31x = 1,575.05 × 1,025.77
  4. Step 4: Simplify right side
    1,049.31x = 1,615,639.04
  5. Step 5: Solve for x
    x = 1,615,639.04/1,049.31
  6. Step 6: Final answer
    x = 1,539.72

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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.