Home / 3,959.40-5,460.23-2,953.33

Finding the Fourth Proportional to 3,959.40, 5,460.23 and 2,953.33

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Solution

The fourth proportional to 3,959.40, 5,460.23 and 2,953.33 is: 4,072.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959.40 : 5,460.23 = 2,953.33 : x
  2. Step 2: Convert to fraction form
    3,959.40/5,460.23 = 2,953.33/x
  3. Step 3: Cross multiply
    3,959.40x = 5,460.23 × 2,953.33
  4. Step 4: Simplify right side
    3,959.40x = 16,125,854.80
  5. Step 5: Solve for x
    x = 16,125,854.80/3,959.40
  6. Step 6: Final answer
    x = 4,072.80

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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.