Home / 2,561.99-3,535.56-1,442.95

Finding the Fourth Proportional to 2,561.99, 3,535.56 and 1,442.95

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Solution

The fourth proportional to 2,561.99, 3,535.56 and 1,442.95 is: 1,991.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,561.99 : 3,535.56 = 1,442.95 : x
  2. Step 2: Convert to fraction form
    2,561.99/3,535.56 = 1,442.95/x
  3. Step 3: Cross multiply
    2,561.99x = 3,535.56 × 1,442.95
  4. Step 4: Simplify right side
    2,561.99x = 5,101,644.41
  5. Step 5: Solve for x
    x = 5,101,644.41/2,561.99
  6. Step 6: Final answer
    x = 1,991.28

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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.