Home / 3,589.88-5,386.95-1,642.23

Finding the Fourth Proportional to 3,589.88, 5,386.95 and 1,642.23

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Solution

The fourth proportional to 3,589.88, 5,386.95 and 1,642.23 is: 2,464.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,589.88 : 5,386.95 = 1,642.23 : x
  2. Step 2: Convert to fraction form
    3,589.88/5,386.95 = 1,642.23/x
  3. Step 3: Cross multiply
    3,589.88x = 5,386.95 × 1,642.23
  4. Step 4: Simplify right side
    3,589.88x = 8,846,610.90
  5. Step 5: Solve for x
    x = 8,846,610.90/3,589.88
  6. Step 6: Final answer
    x = 2,464.32

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1.5x scale

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.