Home / 3,034.40-4,551.60-2,815.70

Finding the Fourth Proportional to 3,034.40, 4,551.60 and 2,815.70

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Solution

The fourth proportional to 3,034.40, 4,551.60 and 2,815.70 is: 4,223.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,034.40 : 4,551.60 = 2,815.70 : x
  2. Step 2: Convert to fraction form
    3,034.40/4,551.60 = 2,815.70/x
  3. Step 3: Cross multiply
    3,034.40x = 4,551.60 × 2,815.70
  4. Step 4: Simplify right side
    3,034.40x = 12,815,940.12
  5. Step 5: Solve for x
    x = 12,815,940.12/3,034.40
  6. Step 6: Final answer
    x = 4,223.55

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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.