Home / 2,355.20-3,243.60-2,304.18

Finding the Fourth Proportional to 2,355.20, 3,243.60 and 2,304.18

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Solution

The fourth proportional to 2,355.20, 3,243.60 and 2,304.18 is: 3,173.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,355.20 : 3,243.60 = 2,304.18 : x
  2. Step 2: Convert to fraction form
    2,355.20/3,243.60 = 2,304.18/x
  3. Step 3: Cross multiply
    2,355.20x = 3,243.60 × 2,304.18
  4. Step 4: Simplify right side
    2,355.20x = 7,473,838.25
  5. Step 5: Solve for x
    x = 7,473,838.25/2,355.20
  6. Step 6: Final answer
    x = 3,173.33

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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.