Home / 2,143.88-3,232.37-1,716.20

Finding the Fourth Proportional to 2,143.88, 3,232.37 and 1,716.20

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Solution

The fourth proportional to 2,143.88, 3,232.37 and 1,716.20 is: 2,587.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,143.88 : 3,232.37 = 1,716.20 : x
  2. Step 2: Convert to fraction form
    2,143.88/3,232.37 = 1,716.20/x
  3. Step 3: Cross multiply
    2,143.88x = 3,232.37 × 1,716.20
  4. Step 4: Simplify right side
    2,143.88x = 5,547,393.39
  5. Step 5: Solve for x
    x = 5,547,393.39/2,143.88
  6. Step 6: Final answer
    x = 2,587.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.