Home / 1,968.05-2,713.38-1,612.66

Finding the Fourth Proportional to 1,968.05, 2,713.38 and 1,612.66

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Solution

The fourth proportional to 1,968.05, 2,713.38 and 1,612.66 is: 2,223.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968.05 : 2,713.38 = 1,612.66 : x
  2. Step 2: Convert to fraction form
    1,968.05/2,713.38 = 1,612.66/x
  3. Step 3: Cross multiply
    1,968.05x = 2,713.38 × 1,612.66
  4. Step 4: Simplify right side
    1,968.05x = 4,375,752.61
  5. Step 5: Solve for x
    x = 4,375,752.61/1,968.05
  6. Step 6: Final answer
    x = 2,223.40

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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.