Home / 3,612.30-4,984.95-2,040.39

Finding the Fourth Proportional to 3,612.30, 4,984.95 and 2,040.39

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Solution

The fourth proportional to 3,612.30, 4,984.95 and 2,040.39 is: 2,815.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.30 : 4,984.95 = 2,040.39 : x
  2. Step 2: Convert to fraction form
    3,612.30/4,984.95 = 2,040.39/x
  3. Step 3: Cross multiply
    3,612.30x = 4,984.95 × 2,040.39
  4. Step 4: Simplify right side
    3,612.30x = 10,171,242.13
  5. Step 5: Solve for x
    x = 10,171,242.13/3,612.30
  6. Step 6: Final answer
    x = 2,815.72

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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.