Home / 3,612.47-4,984.38-2,119.82

Finding the Fourth Proportional to 3,612.47, 4,984.38 and 2,119.82

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Solution

The fourth proportional to 3,612.47, 4,984.38 and 2,119.82 is: 2,924.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.47 : 4,984.38 = 2,119.82 : x
  2. Step 2: Convert to fraction form
    3,612.47/4,984.38 = 2,119.82/x
  3. Step 3: Cross multiply
    3,612.47x = 4,984.38 × 2,119.82
  4. Step 4: Simplify right side
    3,612.47x = 10,565,963.49
  5. Step 5: Solve for x
    x = 10,565,963.49/3,612.47
  6. Step 6: Final answer
    x = 2,924.86

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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.