Home / 3,158.04-4,738.78-1,426.52

Finding the Fourth Proportional to 3,158.04, 4,738.78 and 1,426.52

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Solution

The fourth proportional to 3,158.04, 4,738.78 and 1,426.52 is: 2,140.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.04 : 4,738.78 = 1,426.52 : x
  2. Step 2: Convert to fraction form
    3,158.04/4,738.78 = 1,426.52/x
  3. Step 3: Cross multiply
    3,158.04x = 4,738.78 × 1,426.52
  4. Step 4: Simplify right side
    3,158.04x = 6,759,964.45
  5. Step 5: Solve for x
    x = 6,759,964.45/3,158.04
  6. Step 6: Final answer
    x = 2,140.56

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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.