Home / 4,088.13-5,634.88-2,891.57

Finding the Fourth Proportional to 4,088.13, 5,634.88 and 2,891.57

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Solution

The fourth proportional to 4,088.13, 5,634.88 and 2,891.57 is: 3,985.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,088.13 : 5,634.88 = 2,891.57 : x
  2. Step 2: Convert to fraction form
    4,088.13/5,634.88 = 2,891.57/x
  3. Step 3: Cross multiply
    4,088.13x = 5,634.88 × 2,891.57
  4. Step 4: Simplify right side
    4,088.13x = 16,293,649.96
  5. Step 5: Solve for x
    x = 16,293,649.96/4,088.13
  6. Step 6: Final answer
    x = 3,985.60

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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.