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Finding the Fourth Proportional to 1,976.36, 2,964.08 and 880.13

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Solution

The fourth proportional to 1,976.36, 2,964.08 and 880.13 is: 1,319.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976.36 : 2,964.08 = 880.13 : x
  2. Step 2: Convert to fraction form
    1,976.36/2,964.08 = 880.13/x
  3. Step 3: Cross multiply
    1,976.36x = 2,964.08 × 880.13
  4. Step 4: Simplify right side
    1,976.36x = 2,608,756.51
  5. Step 5: Solve for x
    x = 2,608,756.51/1,976.36
  6. Step 6: Final answer
    x = 1,319.98

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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.