Home / 2,295.50-3,168.54-1,351.28

Finding the Fourth Proportional to 2,295.50, 3,168.54 and 1,351.28

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Solution

The fourth proportional to 2,295.50, 3,168.54 and 1,351.28 is: 1,865.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,295.50 : 3,168.54 = 1,351.28 : x
  2. Step 2: Convert to fraction form
    2,295.50/3,168.54 = 1,351.28/x
  3. Step 3: Cross multiply
    2,295.50x = 3,168.54 × 1,351.28
  4. Step 4: Simplify right side
    2,295.50x = 4,281,584.73
  5. Step 5: Solve for x
    x = 4,281,584.73/2,295.50
  6. Step 6: Final answer
    x = 1,865.21

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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.