Home / 4,089.32-5,643.77-2,321.49

Finding the Fourth Proportional to 4,089.32, 5,643.77 and 2,321.49

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Solution

The fourth proportional to 4,089.32, 5,643.77 and 2,321.49 is: 3,203.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,089.32 : 5,643.77 = 2,321.49 : x
  2. Step 2: Convert to fraction form
    4,089.32/5,643.77 = 2,321.49/x
  3. Step 3: Cross multiply
    4,089.32x = 5,643.77 × 2,321.49
  4. Step 4: Simplify right side
    4,089.32x = 13,101,944.01
  5. Step 5: Solve for x
    x = 13,101,944.01/4,089.32
  6. Step 6: Final answer
    x = 3,203.95

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1.5x scale

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.