Home / 3,681.10-5,521.52-1,601.10

Finding the Fourth Proportional to 3,681.10, 5,521.52 and 1,601.10

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Solution

The fourth proportional to 3,681.10, 5,521.52 and 1,601.10 is: 2,401.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.10 : 5,521.52 = 1,601.10 : x
  2. Step 2: Convert to fraction form
    3,681.10/5,521.52 = 1,601.10/x
  3. Step 3: Cross multiply
    3,681.10x = 5,521.52 × 1,601.10
  4. Step 4: Simplify right side
    3,681.10x = 8,840,505.67
  5. Step 5: Solve for x
    x = 8,840,505.67/3,681.10
  6. Step 6: Final answer
    x = 2,401.59

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1.5x scale

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.