Home / 3,661.16-5,491.80-2,017.40

Finding the Fourth Proportional to 3,661.16, 5,491.80 and 2,017.40

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Solution

The fourth proportional to 3,661.16, 5,491.80 and 2,017.40 is: 3,026.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,661.16 : 5,491.80 = 2,017.40 : x
  2. Step 2: Convert to fraction form
    3,661.16/5,491.80 = 2,017.40/x
  3. Step 3: Cross multiply
    3,661.16x = 5,491.80 × 2,017.40
  4. Step 4: Simplify right side
    3,661.16x = 11,079,157.32
  5. Step 5: Solve for x
    x = 11,079,157.32/3,661.16
  6. Step 6: Final answer
    x = 3,026.13

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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.