Home / 2,959.70-4,439.55-2,603.30

Finding the Fourth Proportional to 2,959.70, 4,439.55 and 2,603.30

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Solution

The fourth proportional to 2,959.70, 4,439.55 and 2,603.30 is: 3,904.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,959.70 : 4,439.55 = 2,603.30 : x
  2. Step 2: Convert to fraction form
    2,959.70/4,439.55 = 2,603.30/x
  3. Step 3: Cross multiply
    2,959.70x = 4,439.55 × 2,603.30
  4. Step 4: Simplify right side
    2,959.70x = 11,557,480.52
  5. Step 5: Solve for x
    x = 11,557,480.52/2,959.70
  6. Step 6: Final answer
    x = 3,904.95

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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.