Home / 2,270.50-3,385.88-2,249.74

Finding the Fourth Proportional to 2,270.50, 3,385.88 and 2,249.74

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Solution

The fourth proportional to 2,270.50, 3,385.88 and 2,249.74 is: 3,354.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.50 : 3,385.88 = 2,249.74 : x
  2. Step 2: Convert to fraction form
    2,270.50/3,385.88 = 2,249.74/x
  3. Step 3: Cross multiply
    2,270.50x = 3,385.88 × 2,249.74
  4. Step 4: Simplify right side
    2,270.50x = 7,617,352.48
  5. Step 5: Solve for x
    x = 7,617,352.48/2,270.50
  6. Step 6: Final answer
    x = 3,354.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.