Home / 1,767.80-2,440.78-1,104.95

Finding the Fourth Proportional to 1,767.80, 2,440.78 and 1,104.95

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Solution

The fourth proportional to 1,767.80, 2,440.78 and 1,104.95 is: 1,525.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,767.80 : 2,440.78 = 1,104.95 : x
  2. Step 2: Convert to fraction form
    1,767.80/2,440.78 = 1,104.95/x
  3. Step 3: Cross multiply
    1,767.80x = 2,440.78 × 1,104.95
  4. Step 4: Simplify right side
    1,767.80x = 2,696,924.89
  5. Step 5: Solve for x
    x = 2,696,924.89/1,767.80
  6. Step 6: Final answer
    x = 1,525.59

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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.