Home / 1,591.68-2,385.90-1,036.56

Finding the Fourth Proportional to 1,591.68, 2,385.90 and 1,036.56

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Solution

The fourth proportional to 1,591.68, 2,385.90 and 1,036.56 is: 1,553.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591.68 : 2,385.90 = 1,036.56 : x
  2. Step 2: Convert to fraction form
    1,591.68/2,385.90 = 1,036.56/x
  3. Step 3: Cross multiply
    1,591.68x = 2,385.90 × 1,036.56
  4. Step 4: Simplify right side
    1,591.68x = 2,473,128.50
  5. Step 5: Solve for x
    x = 2,473,128.50/1,591.68
  6. Step 6: Final answer
    x = 1,553.78

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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.