Home / 2,603.13-3,904.71-1,304.31

Finding the Fourth Proportional to 2,603.13, 3,904.71 and 1,304.31

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Solution

The fourth proportional to 2,603.13, 3,904.71 and 1,304.31 is: 1,956.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,603.13 : 3,904.71 = 1,304.31 : x
  2. Step 2: Convert to fraction form
    2,603.13/3,904.71 = 1,304.31/x
  3. Step 3: Cross multiply
    2,603.13x = 3,904.71 × 1,304.31
  4. Step 4: Simplify right side
    2,603.13x = 5,092,952.30
  5. Step 5: Solve for x
    x = 5,092,952.30/2,603.13
  6. Step 6: Final answer
    x = 1,956.47

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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.