Home / 3,077.46-4,275.56-3,040.55

Finding the Fourth Proportional to 3,077.46, 4,275.56 and 3,040.55

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Solution

The fourth proportional to 3,077.46, 4,275.56 and 3,040.55 is: 4,224.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.46 : 4,275.56 = 3,040.55 : x
  2. Step 2: Convert to fraction form
    3,077.46/4,275.56 = 3,040.55/x
  3. Step 3: Cross multiply
    3,077.46x = 4,275.56 × 3,040.55
  4. Step 4: Simplify right side
    3,077.46x = 13,000,053.68
  5. Step 5: Solve for x
    x = 13,000,053.68/3,077.46
  6. Step 6: Final answer
    x = 4,224.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.