Home / 1,484.20-2,228.10-1,473.40

Finding the Fourth Proportional to 1,484.20, 2,228.10 and 1,473.40

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Solution

The fourth proportional to 1,484.20, 2,228.10 and 1,473.40 is: 2,211.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484.20 : 2,228.10 = 1,473.40 : x
  2. Step 2: Convert to fraction form
    1,484.20/2,228.10 = 1,473.40/x
  3. Step 3: Cross multiply
    1,484.20x = 2,228.10 × 1,473.40
  4. Step 4: Simplify right side
    1,484.20x = 3,282,882.54
  5. Step 5: Solve for x
    x = 3,282,882.54/1,484.20
  6. Step 6: Final answer
    x = 2,211.89

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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.