Home / 2,603.28-3,588.80-1,855.95

Finding the Fourth Proportional to 2,603.28, 3,588.80 and 1,855.95

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Solution

The fourth proportional to 2,603.28, 3,588.80 and 1,855.95 is: 2,558.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,603.28 : 3,588.80 = 1,855.95 : x
  2. Step 2: Convert to fraction form
    2,603.28/3,588.80 = 1,855.95/x
  3. Step 3: Cross multiply
    2,603.28x = 3,588.80 × 1,855.95
  4. Step 4: Simplify right side
    2,603.28x = 6,660,610.62
  5. Step 5: Solve for x
    x = 6,660,610.62/2,603.28
  6. Step 6: Final answer
    x = 2,558.54

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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.