Home / 2,931.52-4,394.40-1,201.36

Finding the Fourth Proportional to 2,931.52, 4,394.40 and 1,201.36

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Solution

The fourth proportional to 2,931.52, 4,394.40 and 1,201.36 is: 1,800.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931.52 : 4,394.40 = 1,201.36 : x
  2. Step 2: Convert to fraction form
    2,931.52/4,394.40 = 1,201.36/x
  3. Step 3: Cross multiply
    2,931.52x = 4,394.40 × 1,201.36
  4. Step 4: Simplify right side
    2,931.52x = 5,279,256.38
  5. Step 5: Solve for x
    x = 5,279,256.38/2,931.52
  6. Step 6: Final answer
    x = 1,800.86

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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.