Home / 2,363.69-3,261.90-1,315.75

Finding the Fourth Proportional to 2,363.69, 3,261.90 and 1,315.75

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Solution

The fourth proportional to 2,363.69, 3,261.90 and 1,315.75 is: 1,815.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,363.69 : 3,261.90 = 1,315.75 : x
  2. Step 2: Convert to fraction form
    2,363.69/3,261.90 = 1,315.75/x
  3. Step 3: Cross multiply
    2,363.69x = 3,261.90 × 1,315.75
  4. Step 4: Simplify right side
    2,363.69x = 4,291,844.93
  5. Step 5: Solve for x
    x = 4,291,844.93/2,363.69
  6. Step 6: Final answer
    x = 1,815.74

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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.