Home / 3,479.34-5,242.51-2,876.54

Finding the Fourth Proportional to 3,479.34, 5,242.51 and 2,876.54

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Solution

The fourth proportional to 3,479.34, 5,242.51 and 2,876.54 is: 4,334.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479.34 : 5,242.51 = 2,876.54 : x
  2. Step 2: Convert to fraction form
    3,479.34/5,242.51 = 2,876.54/x
  3. Step 3: Cross multiply
    3,479.34x = 5,242.51 × 2,876.54
  4. Step 4: Simplify right side
    3,479.34x = 15,080,275.33
  5. Step 5: Solve for x
    x = 15,080,275.33/3,479.34
  6. Step 6: Final answer
    x = 4,334.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.