Home / 1,567.38-2,161.17-1,271.73

Finding the Fourth Proportional to 1,567.38, 2,161.17 and 1,271.73

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Solution

The fourth proportional to 1,567.38, 2,161.17 and 1,271.73 is: 1,753.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567.38 : 2,161.17 = 1,271.73 : x
  2. Step 2: Convert to fraction form
    1,567.38/2,161.17 = 1,271.73/x
  3. Step 3: Cross multiply
    1,567.38x = 2,161.17 × 1,271.73
  4. Step 4: Simplify right side
    1,567.38x = 2,748,424.72
  5. Step 5: Solve for x
    x = 2,748,424.72/1,567.38
  6. Step 6: Final answer
    x = 1,753.52

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1.5x scale

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.