Home / 2,363.84-3,261.72-1,315.88

Finding the Fourth Proportional to 2,363.84, 3,261.72 and 1,315.88

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Solution

The fourth proportional to 2,363.84, 3,261.72 and 1,315.88 is: 1,815.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,363.84 : 3,261.72 = 1,315.88 : x
  2. Step 2: Convert to fraction form
    2,363.84/3,261.72 = 1,315.88/x
  3. Step 3: Cross multiply
    2,363.84x = 3,261.72 × 1,315.88
  4. Step 4: Simplify right side
    2,363.84x = 4,292,032.11
  5. Step 5: Solve for x
    x = 4,292,032.11/2,363.84
  6. Step 6: Final answer
    x = 1,815.70

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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.