Home / 3,108.33-4,663.19-1,647.18

Finding the Fourth Proportional to 3,108.33, 4,663.19 and 1,647.18

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Solution

The fourth proportional to 3,108.33, 4,663.19 and 1,647.18 is: 2,471.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.33 : 4,663.19 = 1,647.18 : x
  2. Step 2: Convert to fraction form
    3,108.33/4,663.19 = 1,647.18/x
  3. Step 3: Cross multiply
    3,108.33x = 4,663.19 × 1,647.18
  4. Step 4: Simplify right side
    3,108.33x = 7,681,117.42
  5. Step 5: Solve for x
    x = 7,681,117.42/3,108.33
  6. Step 6: Final answer
    x = 2,471.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.