Home / 2,972.76-4,102.51-1,793.60

Finding the Fourth Proportional to 2,972.76, 4,102.51 and 1,793.60

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Solution

The fourth proportional to 2,972.76, 4,102.51 and 1,793.60 is: 2,475.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.76 : 4,102.51 = 1,793.60 : x
  2. Step 2: Convert to fraction form
    2,972.76/4,102.51 = 1,793.60/x
  3. Step 3: Cross multiply
    2,972.76x = 4,102.51 × 1,793.60
  4. Step 4: Simplify right side
    2,972.76x = 7,358,261.94
  5. Step 5: Solve for x
    x = 7,358,261.94/2,972.76
  6. Step 6: Final answer
    x = 2,475.23

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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.