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Finding the Fourth Proportional to 3,681.34, 5,520.04 and 1,922.08

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Solution

The fourth proportional to 3,681.34, 5,520.04 and 1,922.08 is: 2,882.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.34 : 5,520.04 = 1,922.08 : x
  2. Step 2: Convert to fraction form
    3,681.34/5,520.04 = 1,922.08/x
  3. Step 3: Cross multiply
    3,681.34x = 5,520.04 × 1,922.08
  4. Step 4: Simplify right side
    3,681.34x = 10,609,971.07
  5. Step 5: Solve for x
    x = 10,609,971.07/3,681.34
  6. Step 6: Final answer
    x = 2,882.10

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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.