Home / 4,278.23-5,902.33-2,684.20

Finding the Fourth Proportional to 4,278.23, 5,902.33 and 2,684.20

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Solution

The fourth proportional to 4,278.23, 5,902.33 and 2,684.20 is: 3,703.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278.23 : 5,902.33 = 2,684.20 : x
  2. Step 2: Convert to fraction form
    4,278.23/5,902.33 = 2,684.20/x
  3. Step 3: Cross multiply
    4,278.23x = 5,902.33 × 2,684.20
  4. Step 4: Simplify right side
    4,278.23x = 15,843,034.19
  5. Step 5: Solve for x
    x = 15,843,034.19/4,278.23
  6. Step 6: Final answer
    x = 3,703.17

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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.