Home / 3,414.06-4,711.50-1,921.89

Finding the Fourth Proportional to 3,414.06, 4,711.50 and 1,921.89

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Solution

The fourth proportional to 3,414.06, 4,711.50 and 1,921.89 is: 2,652.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414.06 : 4,711.50 = 1,921.89 : x
  2. Step 2: Convert to fraction form
    3,414.06/4,711.50 = 1,921.89/x
  3. Step 3: Cross multiply
    3,414.06x = 4,711.50 × 1,921.89
  4. Step 4: Simplify right side
    3,414.06x = 9,054,984.74
  5. Step 5: Solve for x
    x = 9,054,984.74/3,414.06
  6. Step 6: Final answer
    x = 2,652.26

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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.