Home / 2,867.11-3,956.65-1,672.06

Finding the Fourth Proportional to 2,867.11, 3,956.65 and 1,672.06

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Solution

The fourth proportional to 2,867.11, 3,956.65 and 1,672.06 is: 2,307.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867.11 : 3,956.65 = 1,672.06 : x
  2. Step 2: Convert to fraction form
    2,867.11/3,956.65 = 1,672.06/x
  3. Step 3: Cross multiply
    2,867.11x = 3,956.65 × 1,672.06
  4. Step 4: Simplify right side
    2,867.11x = 6,615,740.04
  5. Step 5: Solve for x
    x = 6,615,740.04/2,867.11
  6. Step 6: Final answer
    x = 2,307.46

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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.