Home / 2,713.08-4,070.37-1,327.20

Finding the Fourth Proportional to 2,713.08, 4,070.37 and 1,327.20

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Solution

The fourth proportional to 2,713.08, 4,070.37 and 1,327.20 is: 1,991.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,713.08 : 4,070.37 = 1,327.20 : x
  2. Step 2: Convert to fraction form
    2,713.08/4,070.37 = 1,327.20/x
  3. Step 3: Cross multiply
    2,713.08x = 4,070.37 × 1,327.20
  4. Step 4: Simplify right side
    2,713.08x = 5,402,195.06
  5. Step 5: Solve for x
    x = 5,402,195.06/2,713.08
  6. Step 6: Final answer
    x = 1,991.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.