Home / 2,304.62-3,180.40-1,256.70

Finding the Fourth Proportional to 2,304.62, 3,180.40 and 1,256.70

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Solution

The fourth proportional to 2,304.62, 3,180.40 and 1,256.70 is: 1,734.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,304.62 : 3,180.40 = 1,256.70 : x
  2. Step 2: Convert to fraction form
    2,304.62/3,180.40 = 1,256.70/x
  3. Step 3: Cross multiply
    2,304.62x = 3,180.40 × 1,256.70
  4. Step 4: Simplify right side
    2,304.62x = 3,996,808.68
  5. Step 5: Solve for x
    x = 3,996,808.68/2,304.62
  6. Step 6: Final answer
    x = 1,734.26

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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.