Home / 2,770.18-4,137.79-2,332.78

Finding the Fourth Proportional to 2,770.18, 4,137.79 and 2,332.78

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Solution

The fourth proportional to 2,770.18, 4,137.79 and 2,332.78 is: 3,484.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,770.18 : 4,137.79 = 2,332.78 : x
  2. Step 2: Convert to fraction form
    2,770.18/4,137.79 = 2,332.78/x
  3. Step 3: Cross multiply
    2,770.18x = 4,137.79 × 2,332.78
  4. Step 4: Simplify right side
    2,770.18x = 9,652,553.76
  5. Step 5: Solve for x
    x = 9,652,553.76/2,770.18
  6. Step 6: Final answer
    x = 3,484.45

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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.