Home / 3,690.12-5,521.14-2,047.98

Finding the Fourth Proportional to 3,690.12, 5,521.14 and 2,047.98

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Solution

The fourth proportional to 3,690.12, 5,521.14 and 2,047.98 is: 3,064.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690.12 : 5,521.14 = 2,047.98 : x
  2. Step 2: Convert to fraction form
    3,690.12/5,521.14 = 2,047.98/x
  3. Step 3: Cross multiply
    3,690.12x = 5,521.14 × 2,047.98
  4. Step 4: Simplify right side
    3,690.12x = 11,307,184.30
  5. Step 5: Solve for x
    x = 11,307,184.30/3,690.12
  6. Step 6: Final answer
    x = 3,064.18

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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.