Home / 3,818.04-5,278.68-2,936.76

Finding the Fourth Proportional to 3,818.04, 5,278.68 and 2,936.76

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Solution

The fourth proportional to 3,818.04, 5,278.68 and 2,936.76 is: 4,060.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818.04 : 5,278.68 = 2,936.76 : x
  2. Step 2: Convert to fraction form
    3,818.04/5,278.68 = 2,936.76/x
  3. Step 3: Cross multiply
    3,818.04x = 5,278.68 × 2,936.76
  4. Step 4: Simplify right side
    3,818.04x = 15,502,216.28
  5. Step 5: Solve for x
    x = 15,502,216.28/3,818.04
  6. Step 6: Final answer
    x = 4,060.26

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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.