Home / 2,875.91-3,967.35-1,696.29

Finding the Fourth Proportional to 2,875.91, 3,967.35 and 1,696.29

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Solution

The fourth proportional to 2,875.91, 3,967.35 and 1,696.29 is: 2,340.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875.91 : 3,967.35 = 1,696.29 : x
  2. Step 2: Convert to fraction form
    2,875.91/3,967.35 = 1,696.29/x
  3. Step 3: Cross multiply
    2,875.91x = 3,967.35 × 1,696.29
  4. Step 4: Simplify right side
    2,875.91x = 6,729,791.52
  5. Step 5: Solve for x
    x = 6,729,791.52/2,875.91
  6. Step 6: Final answer
    x = 2,340.06

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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.