Home / 1,726.20-2,585.52-1,432.20

Finding the Fourth Proportional to 1,726.20, 2,585.52 and 1,432.20

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Solution

The fourth proportional to 1,726.20, 2,585.52 and 1,432.20 is: 2,145.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,726.20 : 2,585.52 = 1,432.20 : x
  2. Step 2: Convert to fraction form
    1,726.20/2,585.52 = 1,432.20/x
  3. Step 3: Cross multiply
    1,726.20x = 2,585.52 × 1,432.20
  4. Step 4: Simplify right side
    1,726.20x = 3,702,981.74
  5. Step 5: Solve for x
    x = 3,702,981.74/1,726.20
  6. Step 6: Final answer
    x = 2,145.16

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1.5x scale

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.