Home / 3,685.18-5,084.66-2,091.47

Finding the Fourth Proportional to 3,685.18, 5,084.66 and 2,091.47

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Solution

The fourth proportional to 3,685.18, 5,084.66 and 2,091.47 is: 2,885.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685.18 : 5,084.66 = 2,091.47 : x
  2. Step 2: Convert to fraction form
    3,685.18/5,084.66 = 2,091.47/x
  3. Step 3: Cross multiply
    3,685.18x = 5,084.66 × 2,091.47
  4. Step 4: Simplify right side
    3,685.18x = 10,634,395.91
  5. Step 5: Solve for x
    x = 10,634,395.91/3,685.18
  6. Step 6: Final answer
    x = 2,885.72

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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.