Home / 3,681.78-5,522.68-1,601.70

Finding the Fourth Proportional to 3,681.78, 5,522.68 and 1,601.70

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Solution

The fourth proportional to 3,681.78, 5,522.68 and 1,601.70 is: 2,402.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.78 : 5,522.68 = 1,601.70 : x
  2. Step 2: Convert to fraction form
    3,681.78/5,522.68 = 1,601.70/x
  3. Step 3: Cross multiply
    3,681.78x = 5,522.68 × 1,601.70
  4. Step 4: Simplify right side
    3,681.78x = 8,845,676.56
  5. Step 5: Solve for x
    x = 8,845,676.56/3,681.78
  6. Step 6: Final answer
    x = 2,402.55

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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.