Home / 2,158.26-2,983.14-1,572.90

Finding the Fourth Proportional to 2,158.26, 2,983.14 and 1,572.90

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Solution

The fourth proportional to 2,158.26, 2,983.14 and 1,572.90 is: 2,174.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158.26 : 2,983.14 = 1,572.90 : x
  2. Step 2: Convert to fraction form
    2,158.26/2,983.14 = 1,572.90/x
  3. Step 3: Cross multiply
    2,158.26x = 2,983.14 × 1,572.90
  4. Step 4: Simplify right side
    2,158.26x = 4,692,180.91
  5. Step 5: Solve for x
    x = 4,692,180.91/2,158.26
  6. Step 6: Final answer
    x = 2,174.06

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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.