Home / 4,088.52-5,643.36-2,672.42

Finding the Fourth Proportional to 4,088.52, 5,643.36 and 2,672.42

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Solution

The fourth proportional to 4,088.52, 5,643.36 and 2,672.42 is: 3,688.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,088.52 : 5,643.36 = 2,672.42 : x
  2. Step 2: Convert to fraction form
    4,088.52/5,643.36 = 2,672.42/x
  3. Step 3: Cross multiply
    4,088.52x = 5,643.36 × 2,672.42
  4. Step 4: Simplify right side
    4,088.52x = 15,081,428.13
  5. Step 5: Solve for x
    x = 15,081,428.13/4,088.52
  6. Step 6: Final answer
    x = 3,688.73

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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.