Home / 1,707.81-2,557.61-1,158.33

Finding the Fourth Proportional to 1,707.81, 2,557.61 and 1,158.33

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Solution

The fourth proportional to 1,707.81, 2,557.61 and 1,158.33 is: 1,734.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707.81 : 2,557.61 = 1,158.33 : x
  2. Step 2: Convert to fraction form
    1,707.81/2,557.61 = 1,158.33/x
  3. Step 3: Cross multiply
    1,707.81x = 2,557.61 × 1,158.33
  4. Step 4: Simplify right side
    1,707.81x = 2,962,556.39
  5. Step 5: Solve for x
    x = 2,962,556.39/1,707.81
  6. Step 6: Final answer
    x = 1,734.71

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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.