Home / 3,950.18-5,447.95-2,957.82

Finding the Fourth Proportional to 3,950.18, 5,447.95 and 2,957.82

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Solution

The fourth proportional to 3,950.18, 5,447.95 and 2,957.82 is: 4,079.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950.18 : 5,447.95 = 2,957.82 : x
  2. Step 2: Convert to fraction form
    3,950.18/5,447.95 = 2,957.82/x
  3. Step 3: Cross multiply
    3,950.18x = 5,447.95 × 2,957.82
  4. Step 4: Simplify right side
    3,950.18x = 16,114,055.47
  5. Step 5: Solve for x
    x = 16,114,055.47/3,950.18
  6. Step 6: Final answer
    x = 4,079.32

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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.