Home / 2,269.34-3,129.38-2,137.05

Finding the Fourth Proportional to 2,269.34, 3,129.38 and 2,137.05

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Solution

The fourth proportional to 2,269.34, 3,129.38 and 2,137.05 is: 2,946.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,269.34 : 3,129.38 = 2,137.05 : x
  2. Step 2: Convert to fraction form
    2,269.34/3,129.38 = 2,137.05/x
  3. Step 3: Cross multiply
    2,269.34x = 3,129.38 × 2,137.05
  4. Step 4: Simplify right side
    2,269.34x = 6,687,641.53
  5. Step 5: Solve for x
    x = 6,687,641.53/2,269.34
  6. Step 6: Final answer
    x = 2,946.95

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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.