Home / 1,726.08-2,590.35-752.46

Finding the Fourth Proportional to 1,726.08, 2,590.35 and 752.46

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Solution

The fourth proportional to 1,726.08, 2,590.35 and 752.46 is: 1,129.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,726.08 : 2,590.35 = 752.46 : x
  2. Step 2: Convert to fraction form
    1,726.08/2,590.35 = 752.46/x
  3. Step 3: Cross multiply
    1,726.08x = 2,590.35 × 752.46
  4. Step 4: Simplify right side
    1,726.08x = 1,949,134.76
  5. Step 5: Solve for x
    x = 1,949,134.76/1,726.08
  6. Step 6: Final answer
    x = 1,129.23

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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.