Home / 2,363.12-3,261.32-1,315.44

Finding the Fourth Proportional to 2,363.12, 3,261.32 and 1,315.44

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Solution

The fourth proportional to 2,363.12, 3,261.32 and 1,315.44 is: 1,815.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,363.12 : 3,261.32 = 1,315.44 : x
  2. Step 2: Convert to fraction form
    2,363.12/3,261.32 = 1,315.44/x
  3. Step 3: Cross multiply
    2,363.12x = 3,261.32 × 1,315.44
  4. Step 4: Simplify right side
    2,363.12x = 4,290,070.78
  5. Step 5: Solve for x
    x = 4,290,070.78/2,363.12
  6. Step 6: Final answer
    x = 1,815.43

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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.