Home / 2,355.17-3,249.38-1,360.31

Finding the Fourth Proportional to 2,355.17, 3,249.38 and 1,360.31

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Solution

The fourth proportional to 2,355.17, 3,249.38 and 1,360.31 is: 1,876.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,355.17 : 3,249.38 = 1,360.31 : x
  2. Step 2: Convert to fraction form
    2,355.17/3,249.38 = 1,360.31/x
  3. Step 3: Cross multiply
    2,355.17x = 3,249.38 × 1,360.31
  4. Step 4: Simplify right side
    2,355.17x = 4,420,151.26
  5. Step 5: Solve for x
    x = 4,420,151.26/2,355.17
  6. Step 6: Final answer
    x = 1,876.79

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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.