Home / 2,867.55-3,956.50-1,748.39

Finding the Fourth Proportional to 2,867.55, 3,956.50 and 1,748.39

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Solution

The fourth proportional to 2,867.55, 3,956.50 and 1,748.39 is: 2,412.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867.55 : 3,956.50 = 1,748.39 : x
  2. Step 2: Convert to fraction form
    2,867.55/3,956.50 = 1,748.39/x
  3. Step 3: Cross multiply
    2,867.55x = 3,956.50 × 1,748.39
  4. Step 4: Simplify right side
    2,867.55x = 6,917,477.60
  5. Step 5: Solve for x
    x = 6,917,477.60/2,867.55
  6. Step 6: Final answer
    x = 2,412.33

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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.