Home / 2,304.68-3,180.45-1,256.75

Finding the Fourth Proportional to 2,304.68, 3,180.45 and 1,256.75

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Solution

The fourth proportional to 2,304.68, 3,180.45 and 1,256.75 is: 1,734.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,304.68 : 3,180.45 = 1,256.75 : x
  2. Step 2: Convert to fraction form
    2,304.68/3,180.45 = 1,256.75/x
  3. Step 3: Cross multiply
    2,304.68x = 3,180.45 × 1,256.75
  4. Step 4: Simplify right side
    2,304.68x = 3,997,014.64
  5. Step 5: Solve for x
    x = 3,997,014.64/2,304.68
  6. Step 6: Final answer
    x = 1,734.30

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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.