Home / 2,713.68-4,070.65-1,325.37

Finding the Fourth Proportional to 2,713.68, 4,070.65 and 1,325.37

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Solution

The fourth proportional to 2,713.68, 4,070.65 and 1,325.37 is: 1,988.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,713.68 : 4,070.65 = 1,325.37 : x
  2. Step 2: Convert to fraction form
    2,713.68/4,070.65 = 1,325.37/x
  3. Step 3: Cross multiply
    2,713.68x = 4,070.65 × 1,325.37
  4. Step 4: Simplify right side
    2,713.68x = 5,395,117.39
  5. Step 5: Solve for x
    x = 5,395,117.39/2,713.68
  6. Step 6: Final answer
    x = 1,988.12

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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.