Home / 2,603.75-3,904.40-1,508.42

Finding the Fourth Proportional to 2,603.75, 3,904.40 and 1,508.42

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Solution

The fourth proportional to 2,603.75, 3,904.40 and 1,508.42 is: 2,261.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,603.75 : 3,904.40 = 1,508.42 : x
  2. Step 2: Convert to fraction form
    2,603.75/3,904.40 = 1,508.42/x
  3. Step 3: Cross multiply
    2,603.75x = 3,904.40 × 1,508.42
  4. Step 4: Simplify right side
    2,603.75x = 5,889,488.58
  5. Step 5: Solve for x
    x = 5,889,488.58/2,603.75
  6. Step 6: Final answer
    x = 2,261.93

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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.