Home / 2,203.50-3,306.78-904.98

Finding the Fourth Proportional to 2,203.50, 3,306.78 and 904.98

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Solution

The fourth proportional to 2,203.50, 3,306.78 and 904.98 is: 1,358.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.50 : 3,306.78 = 904.98 : x
  2. Step 2: Convert to fraction form
    2,203.50/3,306.78 = 904.98/x
  3. Step 3: Cross multiply
    2,203.50x = 3,306.78 × 904.98
  4. Step 4: Simplify right side
    2,203.50x = 2,992,569.76
  5. Step 5: Solve for x
    x = 2,992,569.76/2,203.50
  6. Step 6: Final answer
    x = 1,358.10

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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.