Home / 3,049.14-4,207.89-1,870.86

Finding the Fourth Proportional to 3,049.14, 4,207.89 and 1,870.86

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Solution

The fourth proportional to 3,049.14, 4,207.89 and 1,870.86 is: 2,581.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,049.14 : 4,207.89 = 1,870.86 : x
  2. Step 2: Convert to fraction form
    3,049.14/4,207.89 = 1,870.86/x
  3. Step 3: Cross multiply
    3,049.14x = 4,207.89 × 1,870.86
  4. Step 4: Simplify right side
    3,049.14x = 7,872,373.09
  5. Step 5: Solve for x
    x = 7,872,373.09/3,049.14
  6. Step 6: Final answer
    x = 2,581.83

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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.