Home / 1,701.18-2,550.81-713.18

Finding the Fourth Proportional to 1,701.18, 2,550.81 and 713.18

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Solution

The fourth proportional to 1,701.18, 2,550.81 and 713.18 is: 1,069.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,701.18 : 2,550.81 = 713.18 : x
  2. Step 2: Convert to fraction form
    1,701.18/2,550.81 = 713.18/x
  3. Step 3: Cross multiply
    1,701.18x = 2,550.81 × 713.18
  4. Step 4: Simplify right side
    1,701.18x = 1,819,186.68
  5. Step 5: Solve for x
    x = 1,819,186.68/1,701.18
  6. Step 6: Final answer
    x = 1,069.37

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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.