Home / 3,684.02-5,523.60-3,139.70

Finding the Fourth Proportional to 3,684.02, 5,523.60 and 3,139.70

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Solution

The fourth proportional to 3,684.02, 5,523.60 and 3,139.70 is: 4,707.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,684.02 : 5,523.60 = 3,139.70 : x
  2. Step 2: Convert to fraction form
    3,684.02/5,523.60 = 3,139.70/x
  3. Step 3: Cross multiply
    3,684.02x = 5,523.60 × 3,139.70
  4. Step 4: Simplify right side
    3,684.02x = 17,342,446.92
  5. Step 5: Solve for x
    x = 17,342,446.92/3,684.02
  6. Step 6: Final answer
    x = 4,707.48

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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.