Home / 2,304.80-3,180.86-1,360.92

Finding the Fourth Proportional to 2,304.80, 3,180.86 and 1,360.92

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Solution

The fourth proportional to 2,304.80, 3,180.86 and 1,360.92 is: 1,878.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,304.80 : 3,180.86 = 1,360.92 : x
  2. Step 2: Convert to fraction form
    2,304.80/3,180.86 = 1,360.92/x
  3. Step 3: Cross multiply
    2,304.80x = 3,180.86 × 1,360.92
  4. Step 4: Simplify right side
    2,304.80x = 4,328,895.99
  5. Step 5: Solve for x
    x = 4,328,895.99/2,304.80
  6. Step 6: Final answer
    x = 1,878.21

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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.