Home / 1,954.44-2,931.80-567.79

Finding the Fourth Proportional to 1,954.44, 2,931.80 and 567.79

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Solution

The fourth proportional to 1,954.44, 2,931.80 and 567.79 is: 851.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954.44 : 2,931.80 = 567.79 : x
  2. Step 2: Convert to fraction form
    1,954.44/2,931.80 = 567.79/x
  3. Step 3: Cross multiply
    1,954.44x = 2,931.80 × 567.79
  4. Step 4: Simplify right side
    1,954.44x = 1,664,636.55
  5. Step 5: Solve for x
    x = 1,664,636.55/1,954.44
  6. Step 6: Final answer
    x = 851.72

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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.