Home / 2,117.29-3,175.80-884.26

Finding the Fourth Proportional to 2,117.29, 3,175.80 and 884.26

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Solution

The fourth proportional to 2,117.29, 3,175.80 and 884.26 is: 1,326.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117.29 : 3,175.80 = 884.26 : x
  2. Step 2: Convert to fraction form
    2,117.29/3,175.80 = 884.26/x
  3. Step 3: Cross multiply
    2,117.29x = 3,175.80 × 884.26
  4. Step 4: Simplify right side
    2,117.29x = 2,808,232.91
  5. Step 5: Solve for x
    x = 2,808,232.91/2,117.29
  6. Step 6: Final answer
    x = 1,326.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.