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Finding the Fourth Proportional to 2,324.64, 3,484.80 and 1,025.40

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Solution

The fourth proportional to 2,324.64, 3,484.80 and 1,025.40 is: 1,537.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,324.64 : 3,484.80 = 1,025.40 : x
  2. Step 2: Convert to fraction form
    2,324.64/3,484.80 = 1,025.40/x
  3. Step 3: Cross multiply
    2,324.64x = 3,484.80 × 1,025.40
  4. Step 4: Simplify right side
    2,324.64x = 3,573,313.92
  5. Step 5: Solve for x
    x = 3,573,313.92/2,324.64
  6. Step 6: Final answer
    x = 1,537.15

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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.