Home / 1,323.14-1,995.30-1,304.91

Finding the Fourth Proportional to 1,323.14, 1,995.30 and 1,304.91

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Solution

The fourth proportional to 1,323.14, 1,995.30 and 1,304.91 is: 1,967.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323.14 : 1,995.30 = 1,304.91 : x
  2. Step 2: Convert to fraction form
    1,323.14/1,995.30 = 1,304.91/x
  3. Step 3: Cross multiply
    1,323.14x = 1,995.30 × 1,304.91
  4. Step 4: Simplify right side
    1,323.14x = 2,603,686.92
  5. Step 5: Solve for x
    x = 2,603,686.92/1,323.14
  6. Step 6: Final answer
    x = 1,967.82

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.