Home / 1,931.33-2,897.19-632.90

Finding the Fourth Proportional to 1,931.33, 2,897.19 and 632.90

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Solution

The fourth proportional to 1,931.33, 2,897.19 and 632.90 is: 949.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931.33 : 2,897.19 = 632.90 : x
  2. Step 2: Convert to fraction form
    1,931.33/2,897.19 = 632.90/x
  3. Step 3: Cross multiply
    1,931.33x = 2,897.19 × 632.90
  4. Step 4: Simplify right side
    1,931.33x = 1,833,613.90
  5. Step 5: Solve for x
    x = 1,833,613.90/1,931.33
  6. Step 6: Final answer
    x = 949.41

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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.