Home / 3,685.03-5,523.19-3,643.92

Finding the Fourth Proportional to 3,685.03, 5,523.19 and 3,643.92

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Solution

The fourth proportional to 3,685.03, 5,523.19 and 3,643.92 is: 5,461.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685.03 : 5,523.19 = 3,643.92 : x
  2. Step 2: Convert to fraction form
    3,685.03/5,523.19 = 3,643.92/x
  3. Step 3: Cross multiply
    3,685.03x = 5,523.19 × 3,643.92
  4. Step 4: Simplify right side
    3,685.03x = 20,126,041.38
  5. Step 5: Solve for x
    x = 20,126,041.38/3,685.03
  6. Step 6: Final answer
    x = 5,461.57

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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.