Home / 3,612.17-4,984.87-2,040.30

Finding the Fourth Proportional to 3,612.17, 4,984.87 and 2,040.30

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Solution

The fourth proportional to 3,612.17, 4,984.87 and 2,040.30 is: 2,815.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.17 : 4,984.87 = 2,040.30 : x
  2. Step 2: Convert to fraction form
    3,612.17/4,984.87 = 2,040.30/x
  3. Step 3: Cross multiply
    3,612.17x = 4,984.87 × 2,040.30
  4. Step 4: Simplify right side
    3,612.17x = 10,170,630.26
  5. Step 5: Solve for x
    x = 10,170,630.26/3,612.17
  6. Step 6: Final answer
    x = 2,815.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.