Home / 1,265.32-1,752.92-1,235.08

Finding the Fourth Proportional to 1,265.32, 1,752.92 and 1,235.08

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Solution

The fourth proportional to 1,265.32, 1,752.92 and 1,235.08 is: 1,711.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265.32 : 1,752.92 = 1,235.08 : x
  2. Step 2: Convert to fraction form
    1,265.32/1,752.92 = 1,235.08/x
  3. Step 3: Cross multiply
    1,265.32x = 1,752.92 × 1,235.08
  4. Step 4: Simplify right side
    1,265.32x = 2,164,996.43
  5. Step 5: Solve for x
    x = 2,164,996.43/1,265.32
  6. Step 6: Final answer
    x = 1,711.03

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.