Home / 2,531.39-3,493.34-1,412.32

Finding the Fourth Proportional to 2,531.39, 3,493.34 and 1,412.32

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Solution

The fourth proportional to 2,531.39, 3,493.34 and 1,412.32 is: 1,949.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,531.39 : 3,493.34 = 1,412.32 : x
  2. Step 2: Convert to fraction form
    2,531.39/3,493.34 = 1,412.32/x
  3. Step 3: Cross multiply
    2,531.39x = 3,493.34 × 1,412.32
  4. Step 4: Simplify right side
    2,531.39x = 4,933,713.95
  5. Step 5: Solve for x
    x = 4,933,713.95/2,531.39
  6. Step 6: Final answer
    x = 1,949.01

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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.