Home / 1,964.52-2,711.09-1,080.36

Finding the Fourth Proportional to 1,964.52, 2,711.09 and 1,080.36

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Solution

The fourth proportional to 1,964.52, 2,711.09 and 1,080.36 is: 1,490.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964.52 : 2,711.09 = 1,080.36 : x
  2. Step 2: Convert to fraction form
    1,964.52/2,711.09 = 1,080.36/x
  3. Step 3: Cross multiply
    1,964.52x = 2,711.09 × 1,080.36
  4. Step 4: Simplify right side
    1,964.52x = 2,928,955.89
  5. Step 5: Solve for x
    x = 2,928,955.89/1,964.52
  6. Step 6: Final answer
    x = 1,490.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.