Home / 3,616.80-4,991.04-2,045.22

Finding the Fourth Proportional to 3,616.80, 4,991.04 and 2,045.22

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Solution

The fourth proportional to 3,616.80, 4,991.04 and 2,045.22 is: 2,822.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.80 : 4,991.04 = 2,045.22 : x
  2. Step 2: Convert to fraction form
    3,616.80/4,991.04 = 2,045.22/x
  3. Step 3: Cross multiply
    3,616.80x = 4,991.04 × 2,045.22
  4. Step 4: Simplify right side
    3,616.80x = 10,207,774.83
  5. Step 5: Solve for x
    x = 10,207,774.83/3,616.80
  6. Step 6: Final answer
    x = 2,822.32

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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.