Home / 2,601.29-3,589.65-1,422.14

Finding the Fourth Proportional to 2,601.29, 3,589.65 and 1,422.14

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Solution

The fourth proportional to 2,601.29, 3,589.65 and 1,422.14 is: 1,962.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,601.29 : 3,589.65 = 1,422.14 : x
  2. Step 2: Convert to fraction form
    2,601.29/3,589.65 = 1,422.14/x
  3. Step 3: Cross multiply
    2,601.29x = 3,589.65 × 1,422.14
  4. Step 4: Simplify right side
    2,601.29x = 5,104,966.90
  5. Step 5: Solve for x
    x = 5,104,966.90/2,601.29
  6. Step 6: Final answer
    x = 1,962.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.