Home / 2,282.40-3,423.60-2,263.20

Finding the Fourth Proportional to 2,282.40, 3,423.60 and 2,263.20

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Solution

The fourth proportional to 2,282.40, 3,423.60 and 2,263.20 is: 3,394.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,282.40 : 3,423.60 = 2,263.20 : x
  2. Step 2: Convert to fraction form
    2,282.40/3,423.60 = 2,263.20/x
  3. Step 3: Cross multiply
    2,282.40x = 3,423.60 × 2,263.20
  4. Step 4: Simplify right side
    2,282.40x = 7,748,291.52
  5. Step 5: Solve for x
    x = 7,748,291.52/2,282.40
  6. Step 6: Final answer
    x = 3,394.80

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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.