Home / 3,617.62-4,991.42-2,045.68

Finding the Fourth Proportional to 3,617.62, 4,991.42 and 2,045.68

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Solution

The fourth proportional to 3,617.62, 4,991.42 and 2,045.68 is: 2,822.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.62 : 4,991.42 = 2,045.68 : x
  2. Step 2: Convert to fraction form
    3,617.62/4,991.42 = 2,045.68/x
  3. Step 3: Cross multiply
    3,617.62x = 4,991.42 × 2,045.68
  4. Step 4: Simplify right side
    3,617.62x = 10,210,848.07
  5. Step 5: Solve for x
    x = 10,210,848.07/3,617.62
  6. Step 6: Final answer
    x = 2,822.53

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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.