Home / 2,818.97-4,204.62-2,656.36

Finding the Fourth Proportional to 2,818.97, 4,204.62 and 2,656.36

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Solution

The fourth proportional to 2,818.97, 4,204.62 and 2,656.36 is: 3,962.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818.97 : 4,204.62 = 2,656.36 : x
  2. Step 2: Convert to fraction form
    2,818.97/4,204.62 = 2,656.36/x
  3. Step 3: Cross multiply
    2,818.97x = 4,204.62 × 2,656.36
  4. Step 4: Simplify right side
    2,818.97x = 11,168,984.38
  5. Step 5: Solve for x
    x = 11,168,984.38/2,818.97
  6. Step 6: Final answer
    x = 3,962.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.