Home / 2,925.66-4,042.56-2,168.35

Finding the Fourth Proportional to 2,925.66, 4,042.56 and 2,168.35

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Solution

The fourth proportional to 2,925.66, 4,042.56 and 2,168.35 is: 2,996.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925.66 : 4,042.56 = 2,168.35 : x
  2. Step 2: Convert to fraction form
    2,925.66/4,042.56 = 2,168.35/x
  3. Step 3: Cross multiply
    2,925.66x = 4,042.56 × 2,168.35
  4. Step 4: Simplify right side
    2,925.66x = 8,765,695.08
  5. Step 5: Solve for x
    x = 8,765,695.08/2,925.66
  6. Step 6: Final answer
    x = 2,996.15

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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.