Home / 3,127.56-4,685.13-2,084.46

Finding the Fourth Proportional to 3,127.56, 4,685.13 and 2,084.46

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Solution

The fourth proportional to 3,127.56, 4,685.13 and 2,084.46 is: 3,122.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.56 : 4,685.13 = 2,084.46 : x
  2. Step 2: Convert to fraction form
    3,127.56/4,685.13 = 2,084.46/x
  3. Step 3: Cross multiply
    3,127.56x = 4,685.13 × 2,084.46
  4. Step 4: Simplify right side
    3,127.56x = 9,765,966.08
  5. Step 5: Solve for x
    x = 9,765,966.08/3,127.56
  6. Step 6: Final answer
    x = 3,122.55

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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.