Home / 1,794.15-2,678.40-1,517.13

Finding the Fourth Proportional to 1,794.15, 2,678.40 and 1,517.13

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Solution

The fourth proportional to 1,794.15, 2,678.40 and 1,517.13 is: 2,264.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,794.15 : 2,678.40 = 1,517.13 : x
  2. Step 2: Convert to fraction form
    1,794.15/2,678.40 = 1,517.13/x
  3. Step 3: Cross multiply
    1,794.15x = 2,678.40 × 1,517.13
  4. Step 4: Simplify right side
    1,794.15x = 4,063,480.99
  5. Step 5: Solve for x
    x = 4,063,480.99/1,794.15
  6. Step 6: Final answer
    x = 2,264.85

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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.