Home / 2,304.74-3,180.58-1,256.80

Finding the Fourth Proportional to 2,304.74, 3,180.58 and 1,256.80

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Solution

The fourth proportional to 2,304.74, 3,180.58 and 1,256.80 is: 1,734.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,304.74 : 3,180.58 = 1,256.80 : x
  2. Step 2: Convert to fraction form
    2,304.74/3,180.58 = 1,256.80/x
  3. Step 3: Cross multiply
    2,304.74x = 3,180.58 × 1,256.80
  4. Step 4: Simplify right side
    2,304.74x = 3,997,341.85
  5. Step 5: Solve for x
    x = 3,997,341.85/2,304.74
  6. Step 6: Final answer
    x = 1,734.40

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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.