Home / 2,930.68-4,394.40-2,228.14

Finding the Fourth Proportional to 2,930.68, 4,394.40 and 2,228.14

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Solution

The fourth proportional to 2,930.68, 4,394.40 and 2,228.14 is: 3,340.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.68 : 4,394.40 = 2,228.14 : x
  2. Step 2: Convert to fraction form
    2,930.68/4,394.40 = 2,228.14/x
  3. Step 3: Cross multiply
    2,930.68x = 4,394.40 × 2,228.14
  4. Step 4: Simplify right side
    2,930.68x = 9,791,338.42
  5. Step 5: Solve for x
    x = 9,791,338.42/2,930.68
  6. Step 6: Final answer
    x = 3,340.98

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1.5x scale

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.