Home / 1,418.83-2,128.35-596.99

Finding the Fourth Proportional to 1,418.83, 2,128.35 and 596.99

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Solution

The fourth proportional to 1,418.83, 2,128.35 and 596.99 is: 895.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418.83 : 2,128.35 = 596.99 : x
  2. Step 2: Convert to fraction form
    1,418.83/2,128.35 = 596.99/x
  3. Step 3: Cross multiply
    1,418.83x = 2,128.35 × 596.99
  4. Step 4: Simplify right side
    1,418.83x = 1,270,603.67
  5. Step 5: Solve for x
    x = 1,270,603.67/1,418.83
  6. Step 6: Final answer
    x = 895.53

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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.