Home / 1,341.67-1,849.14-1,132.39

Finding the Fourth Proportional to 1,341.67, 1,849.14 and 1,132.39

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Solution

The fourth proportional to 1,341.67, 1,849.14 and 1,132.39 is: 1,560.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341.67 : 1,849.14 = 1,132.39 : x
  2. Step 2: Convert to fraction form
    1,341.67/1,849.14 = 1,132.39/x
  3. Step 3: Cross multiply
    1,341.67x = 1,849.14 × 1,132.39
  4. Step 4: Simplify right side
    1,341.67x = 2,093,947.64
  5. Step 5: Solve for x
    x = 2,093,947.64/1,341.67
  6. Step 6: Final answer
    x = 1,560.70

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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.