Home / 3,169.42-4,374.90-2,177.98

Finding the Fourth Proportional to 3,169.42, 4,374.90 and 2,177.98

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Solution

The fourth proportional to 3,169.42, 4,374.90 and 2,177.98 is: 3,006.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.42 : 4,374.90 = 2,177.98 : x
  2. Step 2: Convert to fraction form
    3,169.42/4,374.90 = 2,177.98/x
  3. Step 3: Cross multiply
    3,169.42x = 4,374.90 × 2,177.98
  4. Step 4: Simplify right side
    3,169.42x = 9,528,444.70
  5. Step 5: Solve for x
    x = 9,528,444.70/3,169.42
  6. Step 6: Final answer
    x = 3,006.37

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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.