Home / 3,690.05-5,098.73-2,950.11

Finding the Fourth Proportional to 3,690.05, 5,098.73 and 2,950.11

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Solution

The fourth proportional to 3,690.05, 5,098.73 and 2,950.11 is: 4,076.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690.05 : 5,098.73 = 2,950.11 : x
  2. Step 2: Convert to fraction form
    3,690.05/5,098.73 = 2,950.11/x
  3. Step 3: Cross multiply
    3,690.05x = 5,098.73 × 2,950.11
  4. Step 4: Simplify right side
    3,690.05x = 15,041,799.61
  5. Step 5: Solve for x
    x = 15,041,799.61/3,690.05
  6. Step 6: Final answer
    x = 4,076.32

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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.