Home / 1,642.26-2,266.30-1,052.90

Finding the Fourth Proportional to 1,642.26, 2,266.30 and 1,052.90

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Solution

The fourth proportional to 1,642.26, 2,266.30 and 1,052.90 is: 1,452.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642.26 : 2,266.30 = 1,052.90 : x
  2. Step 2: Convert to fraction form
    1,642.26/2,266.30 = 1,052.90/x
  3. Step 3: Cross multiply
    1,642.26x = 2,266.30 × 1,052.90
  4. Step 4: Simplify right side
    1,642.26x = 2,386,187.27
  5. Step 5: Solve for x
    x = 2,386,187.27/1,642.26
  6. Step 6: Final answer
    x = 1,452.99

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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.