Home / 3,318.04-4,579.34-2,142.53

Finding the Fourth Proportional to 3,318.04, 4,579.34 and 2,142.53

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Solution

The fourth proportional to 3,318.04, 4,579.34 and 2,142.53 is: 2,956.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.04 : 4,579.34 = 2,142.53 : x
  2. Step 2: Convert to fraction form
    3,318.04/4,579.34 = 2,142.53/x
  3. Step 3: Cross multiply
    3,318.04x = 4,579.34 × 2,142.53
  4. Step 4: Simplify right side
    3,318.04x = 9,811,356.89
  5. Step 5: Solve for x
    x = 9,811,356.89/3,318.04
  6. Step 6: Final answer
    x = 2,956.97

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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.