Home / 2,694.93-3,718.77-1,515.84

Finding the Fourth Proportional to 2,694.93, 3,718.77 and 1,515.84

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Solution

The fourth proportional to 2,694.93, 3,718.77 and 1,515.84 is: 2,091.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,694.93 : 3,718.77 = 1,515.84 : x
  2. Step 2: Convert to fraction form
    2,694.93/3,718.77 = 1,515.84/x
  3. Step 3: Cross multiply
    2,694.93x = 3,718.77 × 1,515.84
  4. Step 4: Simplify right side
    2,694.93x = 5,637,060.32
  5. Step 5: Solve for x
    x = 5,637,060.32/2,694.93
  6. Step 6: Final answer
    x = 2,091.73

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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.