Home / 3,112.18-4,294.70-1,714.92

Finding the Fourth Proportional to 3,112.18, 4,294.70 and 1,714.92

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Solution

The fourth proportional to 3,112.18, 4,294.70 and 1,714.92 is: 2,366.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112.18 : 4,294.70 = 1,714.92 : x
  2. Step 2: Convert to fraction form
    3,112.18/4,294.70 = 1,714.92/x
  3. Step 3: Cross multiply
    3,112.18x = 4,294.70 × 1,714.92
  4. Step 4: Simplify right side
    3,112.18x = 7,365,066.92
  5. Step 5: Solve for x
    x = 7,365,066.92/3,112.18
  6. Step 6: Final answer
    x = 2,366.53

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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.