Home / 2,304.25-3,178.77-1,558.47

Finding the Fourth Proportional to 2,304.25, 3,178.77 and 1,558.47

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Solution

The fourth proportional to 2,304.25, 3,178.77 and 1,558.47 is: 2,149.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,304.25 : 3,178.77 = 1,558.47 : x
  2. Step 2: Convert to fraction form
    2,304.25/3,178.77 = 1,558.47/x
  3. Step 3: Cross multiply
    2,304.25x = 3,178.77 × 1,558.47
  4. Step 4: Simplify right side
    2,304.25x = 4,954,017.68
  5. Step 5: Solve for x
    x = 4,954,017.68/2,304.25
  6. Step 6: Final answer
    x = 2,149.95

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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.