Home / 1,572.73-2,171.94-1,295.71

Finding the Fourth Proportional to 1,572.73, 2,171.94 and 1,295.71

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Solution

The fourth proportional to 1,572.73, 2,171.94 and 1,295.71 is: 1,789.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572.73 : 2,171.94 = 1,295.71 : x
  2. Step 2: Convert to fraction form
    1,572.73/2,171.94 = 1,295.71/x
  3. Step 3: Cross multiply
    1,572.73x = 2,171.94 × 1,295.71
  4. Step 4: Simplify right side
    1,572.73x = 2,814,204.38
  5. Step 5: Solve for x
    x = 2,814,204.38/1,572.73
  6. Step 6: Final answer
    x = 1,789.38

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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.