Home / 1,729.52-2,386.67-943.55

Finding the Fourth Proportional to 1,729.52, 2,386.67 and 943.55

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Solution

The fourth proportional to 1,729.52, 2,386.67 and 943.55 is: 1,302.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,729.52 : 2,386.67 = 943.55 : x
  2. Step 2: Convert to fraction form
    1,729.52/2,386.67 = 943.55/x
  3. Step 3: Cross multiply
    1,729.52x = 2,386.67 × 943.55
  4. Step 4: Simplify right side
    1,729.52x = 2,251,934.78
  5. Step 5: Solve for x
    x = 2,251,934.78/1,729.52
  6. Step 6: Final answer
    x = 1,302.06

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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.