Home / 2,363.40-3,261.48-1,315.44

Finding the Fourth Proportional to 2,363.40, 3,261.48 and 1,315.44

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Solution

The fourth proportional to 2,363.40, 3,261.48 and 1,315.44 is: 1,815.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,363.40 : 3,261.48 = 1,315.44 : x
  2. Step 2: Convert to fraction form
    2,363.40/3,261.48 = 1,315.44/x
  3. Step 3: Cross multiply
    2,363.40x = 3,261.48 × 1,315.44
  4. Step 4: Simplify right side
    2,363.40x = 4,290,281.25
  5. Step 5: Solve for x
    x = 4,290,281.25/2,363.40
  6. Step 6: Final answer
    x = 1,815.30

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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.