Home / 3,324.70-4,587.78-1,908.10

Finding the Fourth Proportional to 3,324.70, 4,587.78 and 1,908.10

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Solution

The fourth proportional to 3,324.70, 4,587.78 and 1,908.10 is: 2,633.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,324.70 : 4,587.78 = 1,908.10 : x
  2. Step 2: Convert to fraction form
    3,324.70/4,587.78 = 1,908.10/x
  3. Step 3: Cross multiply
    3,324.70x = 4,587.78 × 1,908.10
  4. Step 4: Simplify right side
    3,324.70x = 8,753,943.02
  5. Step 5: Solve for x
    x = 8,753,943.02/3,324.70
  6. Step 6: Final answer
    x = 2,633.00

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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.