Home / 4,278.66-5,902.40-2,953.10

Finding the Fourth Proportional to 4,278.66, 5,902.40 and 2,953.10

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Solution

The fourth proportional to 4,278.66, 5,902.40 and 2,953.10 is: 4,073.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278.66 : 5,902.40 = 2,953.10 : x
  2. Step 2: Convert to fraction form
    4,278.66/5,902.40 = 2,953.10/x
  3. Step 3: Cross multiply
    4,278.66x = 5,902.40 × 2,953.10
  4. Step 4: Simplify right side
    4,278.66x = 17,430,377.44
  5. Step 5: Solve for x
    x = 17,430,377.44/4,278.66
  6. Step 6: Final answer
    x = 4,073.79

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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.