Home / 2,425.60-3,344.52-1,680.13

Finding the Fourth Proportional to 2,425.60, 3,344.52 and 1,680.13

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Solution

The fourth proportional to 2,425.60, 3,344.52 and 1,680.13 is: 2,316.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,425.60 : 3,344.52 = 1,680.13 : x
  2. Step 2: Convert to fraction form
    2,425.60/3,344.52 = 1,680.13/x
  3. Step 3: Cross multiply
    2,425.60x = 3,344.52 × 1,680.13
  4. Step 4: Simplify right side
    2,425.60x = 5,619,228.39
  5. Step 5: Solve for x
    x = 5,619,228.39/2,425.60
  6. Step 6: Final answer
    x = 2,316.63

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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.