Home / 3,686.28-5,057.40-3,656.04

Finding the Fourth Proportional to 3,686.28, 5,057.40 and 3,656.04

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Solution

The fourth proportional to 3,686.28, 5,057.40 and 3,656.04 is: 5,015.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686.28 : 5,057.40 = 3,656.04 : x
  2. Step 2: Convert to fraction form
    3,686.28/5,057.40 = 3,656.04/x
  3. Step 3: Cross multiply
    3,686.28x = 5,057.40 × 3,656.04
  4. Step 4: Simplify right side
    3,686.28x = 18,490,056.70
  5. Step 5: Solve for x
    x = 18,490,056.70/3,686.28
  6. Step 6: Final answer
    x = 5,015.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.