Home / 2,851.16-3,933.49-1,655.95

Finding the Fourth Proportional to 2,851.16, 3,933.49 and 1,655.95

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Solution

The fourth proportional to 2,851.16, 3,933.49 and 1,655.95 is: 2,284.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851.16 : 3,933.49 = 1,655.95 : x
  2. Step 2: Convert to fraction form
    2,851.16/3,933.49 = 1,655.95/x
  3. Step 3: Cross multiply
    2,851.16x = 3,933.49 × 1,655.95
  4. Step 4: Simplify right side
    2,851.16x = 6,513,634.82
  5. Step 5: Solve for x
    x = 6,513,634.82/2,851.16
  6. Step 6: Final answer
    x = 2,284.55

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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.