Home / 3,030.57-4,177.92-2,144.82

Finding the Fourth Proportional to 3,030.57, 4,177.92 and 2,144.82

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Solution

The fourth proportional to 3,030.57, 4,177.92 and 2,144.82 is: 2,956.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.57 : 4,177.92 = 2,144.82 : x
  2. Step 2: Convert to fraction form
    3,030.57/4,177.92 = 2,144.82/x
  3. Step 3: Cross multiply
    3,030.57x = 4,177.92 × 2,144.82
  4. Step 4: Simplify right side
    3,030.57x = 8,960,886.37
  5. Step 5: Solve for x
    x = 8,960,886.37/3,030.57
  6. Step 6: Final answer
    x = 2,956.83

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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.