Home / 3,617.17-4,991.11-2,045.05

Finding the Fourth Proportional to 3,617.17, 4,991.11 and 2,045.05

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Solution

The fourth proportional to 3,617.17, 4,991.11 and 2,045.05 is: 2,821.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.17 : 4,991.11 = 2,045.05 : x
  2. Step 2: Convert to fraction form
    3,617.17/4,991.11 = 2,045.05/x
  3. Step 3: Cross multiply
    3,617.17x = 4,991.11 × 2,045.05
  4. Step 4: Simplify right side
    3,617.17x = 10,207,069.51
  5. Step 5: Solve for x
    x = 10,207,069.51/3,617.17
  6. Step 6: Final answer
    x = 2,821.84

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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.