Home / 1,752.48-2,626.38-929.88

Finding the Fourth Proportional to 1,752.48, 2,626.38 and 929.88

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Solution

The fourth proportional to 1,752.48, 2,626.38 and 929.88 is: 1,393.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752.48 : 2,626.38 = 929.88 : x
  2. Step 2: Convert to fraction form
    1,752.48/2,626.38 = 929.88/x
  3. Step 3: Cross multiply
    1,752.48x = 2,626.38 × 929.88
  4. Step 4: Simplify right side
    1,752.48x = 2,442,218.23
  5. Step 5: Solve for x
    x = 2,442,218.23/1,752.48
  6. Step 6: Final answer
    x = 1,393.58

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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.