Home / 3,124.19-4,311.50-2,062.89

Finding the Fourth Proportional to 3,124.19, 4,311.50 and 2,062.89

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Solution

The fourth proportional to 3,124.19, 4,311.50 and 2,062.89 is: 2,846.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.19 : 4,311.50 = 2,062.89 : x
  2. Step 2: Convert to fraction form
    3,124.19/4,311.50 = 2,062.89/x
  3. Step 3: Cross multiply
    3,124.19x = 4,311.50 × 2,062.89
  4. Step 4: Simplify right side
    3,124.19x = 8,894,139.92
  5. Step 5: Solve for x
    x = 8,894,139.92/3,124.19
  6. Step 6: Final answer
    x = 2,846.86

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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.