Home / 3,679.16-5,077.29-2,000.57

Finding the Fourth Proportional to 3,679.16, 5,077.29 and 2,000.57

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Solution

The fourth proportional to 3,679.16, 5,077.29 and 2,000.57 is: 2,760.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679.16 : 5,077.29 = 2,000.57 : x
  2. Step 2: Convert to fraction form
    3,679.16/5,077.29 = 2,000.57/x
  3. Step 3: Cross multiply
    3,679.16x = 5,077.29 × 2,000.57
  4. Step 4: Simplify right side
    3,679.16x = 10,157,448.67
  5. Step 5: Solve for x
    x = 10,157,448.67/3,679.16
  6. Step 6: Final answer
    x = 2,760.81

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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.