Home / 2,770.40-4,155.60-2,282.24

Finding the Fourth Proportional to 2,770.40, 4,155.60 and 2,282.24

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Solution

The fourth proportional to 2,770.40, 4,155.60 and 2,282.24 is: 3,423.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,770.40 : 4,155.60 = 2,282.24 : x
  2. Step 2: Convert to fraction form
    2,770.40/4,155.60 = 2,282.24/x
  3. Step 3: Cross multiply
    2,770.40x = 4,155.60 × 2,282.24
  4. Step 4: Simplify right side
    2,770.40x = 9,484,076.54
  5. Step 5: Solve for x
    x = 9,484,076.54/2,770.40
  6. Step 6: Final answer
    x = 3,423.36

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1.5x scale

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.