Home / 1,976.39-2,967.67-1,888.76

Finding the Fourth Proportional to 1,976.39, 2,967.67 and 1,888.76

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Solution

The fourth proportional to 1,976.39, 2,967.67 and 1,888.76 is: 2,836.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976.39 : 2,967.67 = 1,888.76 : x
  2. Step 2: Convert to fraction form
    1,976.39/2,967.67 = 1,888.76/x
  3. Step 3: Cross multiply
    1,976.39x = 2,967.67 × 1,888.76
  4. Step 4: Simplify right side
    1,976.39x = 5,605,201.55
  5. Step 5: Solve for x
    x = 5,605,201.55/1,976.39
  6. Step 6: Final answer
    x = 2,836.08

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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.