Home / 1,304.67-1,947.47-1,132.55

Finding the Fourth Proportional to 1,304.67, 1,947.47 and 1,132.55

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Solution

The fourth proportional to 1,304.67, 1,947.47 and 1,132.55 is: 1,690.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304.67 : 1,947.47 = 1,132.55 : x
  2. Step 2: Convert to fraction form
    1,304.67/1,947.47 = 1,132.55/x
  3. Step 3: Cross multiply
    1,304.67x = 1,947.47 × 1,132.55
  4. Step 4: Simplify right side
    1,304.67x = 2,205,591.75
  5. Step 5: Solve for x
    x = 2,205,591.75/1,304.67
  6. Step 6: Final answer
    x = 1,690.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.