Home / 1,671.59-2,507.38-1,306.69

Finding the Fourth Proportional to 1,671.59, 2,507.38 and 1,306.69

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Solution

The fourth proportional to 1,671.59, 2,507.38 and 1,306.69 is: 1,960.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,671.59 : 2,507.38 = 1,306.69 : x
  2. Step 2: Convert to fraction form
    1,671.59/2,507.38 = 1,306.69/x
  3. Step 3: Cross multiply
    1,671.59x = 2,507.38 × 1,306.69
  4. Step 4: Simplify right side
    1,671.59x = 3,276,358.84
  5. Step 5: Solve for x
    x = 3,276,358.84/1,671.59
  6. Step 6: Final answer
    x = 1,960.02

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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.