Home / 1,445.26-2,165.73-1,337.26

Finding the Fourth Proportional to 1,445.26, 2,165.73 and 1,337.26

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Solution

The fourth proportional to 1,445.26, 2,165.73 and 1,337.26 is: 2,003.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445.26 : 2,165.73 = 1,337.26 : x
  2. Step 2: Convert to fraction form
    1,445.26/2,165.73 = 1,337.26/x
  3. Step 3: Cross multiply
    1,445.26x = 2,165.73 × 1,337.26
  4. Step 4: Simplify right side
    1,445.26x = 2,896,144.10
  5. Step 5: Solve for x
    x = 2,896,144.10/1,445.26
  6. Step 6: Final answer
    x = 2,003.89

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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.