Home / 3,318.33-4,574.39-2,123.18

Finding the Fourth Proportional to 3,318.33, 4,574.39 and 2,123.18

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Solution

The fourth proportional to 3,318.33, 4,574.39 and 2,123.18 is: 2,926.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.33 : 4,574.39 = 2,123.18 : x
  2. Step 2: Convert to fraction form
    3,318.33/4,574.39 = 2,123.18/x
  3. Step 3: Cross multiply
    3,318.33x = 4,574.39 × 2,123.18
  4. Step 4: Simplify right side
    3,318.33x = 9,712,262.76
  5. Step 5: Solve for x
    x = 9,712,262.76/3,318.33
  6. Step 6: Final answer
    x = 2,926.85

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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.