Home / 1,342.06-2,011.38-1,168

Finding the Fourth Proportional to 1,342.06, 2,011.38 and 1,168

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Solution

The fourth proportional to 1,342.06, 2,011.38 and 1,168 is: 1,750.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342.06 : 2,011.38 = 1,168 : x
  2. Step 2: Convert to fraction form
    1,342.06/2,011.38 = 1,168/x
  3. Step 3: Cross multiply
    1,342.06x = 2,011.38 × 1,168
  4. Step 4: Simplify right side
    1,342.06x = 2,349,291.84
  5. Step 5: Solve for x
    x = 2,349,291.84/1,342.06
  6. Step 6: Final answer
    x = 1,750.51

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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.