Home / 2,600.93-3,589.28-1,421.99

Finding the Fourth Proportional to 2,600.93, 3,589.28 and 1,421.99

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Solution

The fourth proportional to 2,600.93, 3,589.28 and 1,421.99 is: 1,962.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,600.93 : 3,589.28 = 1,421.99 : x
  2. Step 2: Convert to fraction form
    2,600.93/3,589.28 = 1,421.99/x
  3. Step 3: Cross multiply
    2,600.93x = 3,589.28 × 1,421.99
  4. Step 4: Simplify right side
    2,600.93x = 5,103,922.13
  5. Step 5: Solve for x
    x = 5,103,922.13/2,600.93
  6. Step 6: Final answer
    x = 1,962.35

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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.