Home / 1,949.77-2,690.45-1,110.48

Finding the Fourth Proportional to 1,949.77, 2,690.45 and 1,110.48

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Solution

The fourth proportional to 1,949.77, 2,690.45 and 1,110.48 is: 1,532.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949.77 : 2,690.45 = 1,110.48 : x
  2. Step 2: Convert to fraction form
    1,949.77/2,690.45 = 1,110.48/x
  3. Step 3: Cross multiply
    1,949.77x = 2,690.45 × 1,110.48
  4. Step 4: Simplify right side
    1,949.77x = 2,987,690.92
  5. Step 5: Solve for x
    x = 2,987,690.92/1,949.77
  6. Step 6: Final answer
    x = 1,532.33

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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.