Home / 1,567.52-2,158.25-1,330.97

Finding the Fourth Proportional to 1,567.52, 2,158.25 and 1,330.97

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Solution

The fourth proportional to 1,567.52, 2,158.25 and 1,330.97 is: 1,832.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567.52 : 2,158.25 = 1,330.97 : x
  2. Step 2: Convert to fraction form
    1,567.52/2,158.25 = 1,330.97/x
  3. Step 3: Cross multiply
    1,567.52x = 2,158.25 × 1,330.97
  4. Step 4: Simplify right side
    1,567.52x = 2,872,548.56
  5. Step 5: Solve for x
    x = 2,872,548.56/1,567.52
  6. Step 6: Final answer
    x = 1,832.55

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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.