Home / 2,770.50-4,155.75-1,037.91

Finding the Fourth Proportional to 2,770.50, 4,155.75 and 1,037.91

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Solution

The fourth proportional to 2,770.50, 4,155.75 and 1,037.91 is: 1,556.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,770.50 : 4,155.75 = 1,037.91 : x
  2. Step 2: Convert to fraction form
    2,770.50/4,155.75 = 1,037.91/x
  3. Step 3: Cross multiply
    2,770.50x = 4,155.75 × 1,037.91
  4. Step 4: Simplify right side
    2,770.50x = 4,313,294.48
  5. Step 5: Solve for x
    x = 4,313,294.48/2,770.50
  6. Step 6: Final answer
    x = 1,556.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.