Home / 2,531.60-3,493.70-1,412.62

Finding the Fourth Proportional to 2,531.60, 3,493.70 and 1,412.62

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Solution

The fourth proportional to 2,531.60, 3,493.70 and 1,412.62 is: 1,949.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,531.60 : 3,493.70 = 1,412.62 : x
  2. Step 2: Convert to fraction form
    2,531.60/3,493.70 = 1,412.62/x
  3. Step 3: Cross multiply
    2,531.60x = 3,493.70 × 1,412.62
  4. Step 4: Simplify right side
    2,531.60x = 4,935,265.29
  5. Step 5: Solve for x
    x = 4,935,265.29/2,531.60
  6. Step 6: Final answer
    x = 1,949.47

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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.