Home / 2,235.20-3,084.96-1,304.16

Finding the Fourth Proportional to 2,235.20, 3,084.96 and 1,304.16

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Solution

The fourth proportional to 2,235.20, 3,084.96 and 1,304.16 is: 1,799.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235.20 : 3,084.96 = 1,304.16 : x
  2. Step 2: Convert to fraction form
    2,235.20/3,084.96 = 1,304.16/x
  3. Step 3: Cross multiply
    2,235.20x = 3,084.96 × 1,304.16
  4. Step 4: Simplify right side
    2,235.20x = 4,023,281.43
  5. Step 5: Solve for x
    x = 4,023,281.43/2,235.20
  6. Step 6: Final answer
    x = 1,799.96

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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.