Home / 1,954.64-2,931.85-567.95

Finding the Fourth Proportional to 1,954.64, 2,931.85 and 567.95

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Solution

The fourth proportional to 1,954.64, 2,931.85 and 567.95 is: 851.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954.64 : 2,931.85 = 567.95 : x
  2. Step 2: Convert to fraction form
    1,954.64/2,931.85 = 567.95/x
  3. Step 3: Cross multiply
    1,954.64x = 2,931.85 × 567.95
  4. Step 4: Simplify right side
    1,954.64x = 1,665,144.21
  5. Step 5: Solve for x
    x = 1,665,144.21/1,954.64
  6. Step 6: Final answer
    x = 851.89

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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.