Home / 1,949.22-2,909.61-1,703.18

Finding the Fourth Proportional to 1,949.22, 2,909.61 and 1,703.18

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Solution

The fourth proportional to 1,949.22, 2,909.61 and 1,703.18 is: 2,542.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949.22 : 2,909.61 = 1,703.18 : x
  2. Step 2: Convert to fraction form
    1,949.22/2,909.61 = 1,703.18/x
  3. Step 3: Cross multiply
    1,949.22x = 2,909.61 × 1,703.18
  4. Step 4: Simplify right side
    1,949.22x = 4,955,589.56
  5. Step 5: Solve for x
    x = 4,955,589.56/1,949.22
  6. Step 6: Final answer
    x = 2,542.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.