Home / 3,685.75-5,087.13-2,193.93

Finding the Fourth Proportional to 3,685.75, 5,087.13 and 2,193.93

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Solution

The fourth proportional to 3,685.75, 5,087.13 and 2,193.93 is: 3,028.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685.75 : 5,087.13 = 2,193.93 : x
  2. Step 2: Convert to fraction form
    3,685.75/5,087.13 = 2,193.93/x
  3. Step 3: Cross multiply
    3,685.75x = 5,087.13 × 2,193.93
  4. Step 4: Simplify right side
    3,685.75x = 11,160,807.12
  5. Step 5: Solve for x
    x = 11,160,807.12/3,685.75
  6. Step 6: Final answer
    x = 3,028.10

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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.