Home / 1,731.49-2,591.60-1,641.28

Finding the Fourth Proportional to 1,731.49, 2,591.60 and 1,641.28

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Solution

The fourth proportional to 1,731.49, 2,591.60 and 1,641.28 is: 2,456.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731.49 : 2,591.60 = 1,641.28 : x
  2. Step 2: Convert to fraction form
    1,731.49/2,591.60 = 1,641.28/x
  3. Step 3: Cross multiply
    1,731.49x = 2,591.60 × 1,641.28
  4. Step 4: Simplify right side
    1,731.49x = 4,253,520.49
  5. Step 5: Solve for x
    x = 4,253,520.49/1,731.49
  6. Step 6: Final answer
    x = 2,456.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.