Home / 1,101.26-1,642.61-1,024.72

Finding the Fourth Proportional to 1,101.26, 1,642.61 and 1,024.72

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Solution

The fourth proportional to 1,101.26, 1,642.61 and 1,024.72 is: 1,528.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101.26 : 1,642.61 = 1,024.72 : x
  2. Step 2: Convert to fraction form
    1,101.26/1,642.61 = 1,024.72/x
  3. Step 3: Cross multiply
    1,101.26x = 1,642.61 × 1,024.72
  4. Step 4: Simplify right side
    1,101.26x = 1,683,213.77
  5. Step 5: Solve for x
    x = 1,683,213.77/1,101.26
  6. Step 6: Final answer
    x = 1,528.44

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.