Home / 2,974.46-4,458.47-1,935.20

Finding the Fourth Proportional to 2,974.46, 4,458.47 and 1,935.20

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Solution

The fourth proportional to 2,974.46, 4,458.47 and 1,935.20 is: 2,900.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,974.46 : 4,458.47 = 1,935.20 : x
  2. Step 2: Convert to fraction form
    2,974.46/4,458.47 = 1,935.20/x
  3. Step 3: Cross multiply
    2,974.46x = 4,458.47 × 1,935.20
  4. Step 4: Simplify right side
    2,974.46x = 8,628,032.61
  5. Step 5: Solve for x
    x = 8,628,032.61/2,974.46
  6. Step 6: Final answer
    x = 2,900.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.