Home / 1,949.49-2,690.40-1,110.24

Finding the Fourth Proportional to 1,949.49, 2,690.40 and 1,110.24

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Solution

The fourth proportional to 1,949.49, 2,690.40 and 1,110.24 is: 1,532.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949.49 : 2,690.40 = 1,110.24 : x
  2. Step 2: Convert to fraction form
    1,949.49/2,690.40 = 1,110.24/x
  3. Step 3: Cross multiply
    1,949.49x = 2,690.40 × 1,110.24
  4. Step 4: Simplify right side
    1,949.49x = 2,986,989.70
  5. Step 5: Solve for x
    x = 2,986,989.70/1,949.49
  6. Step 6: Final answer
    x = 1,532.19

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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.