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Finding the Fourth Proportional to 2,669.04, 4,002.84 and 1,025.64

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Solution

The fourth proportional to 2,669.04, 4,002.84 and 1,025.64 is: 1,538.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.04 : 4,002.84 = 1,025.64 : x
  2. Step 2: Convert to fraction form
    2,669.04/4,002.84 = 1,025.64/x
  3. Step 3: Cross multiply
    2,669.04x = 4,002.84 × 1,025.64
  4. Step 4: Simplify right side
    2,669.04x = 4,105,472.82
  5. Step 5: Solve for x
    x = 4,105,472.82/2,669.04
  6. Step 6: Final answer
    x = 1,538.18

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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.