Home / 3,837.30-5,706.08-3,720.30

Finding the Fourth Proportional to 3,837.30, 5,706.08 and 3,720.30

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Solution

The fourth proportional to 3,837.30, 5,706.08 and 3,720.30 is: 5,532.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.30 : 5,706.08 = 3,720.30 : x
  2. Step 2: Convert to fraction form
    3,837.30/5,706.08 = 3,720.30/x
  3. Step 3: Cross multiply
    3,837.30x = 5,706.08 × 3,720.30
  4. Step 4: Simplify right side
    3,837.30x = 21,228,310.82
  5. Step 5: Solve for x
    x = 21,228,310.82/3,837.30
  6. Step 6: Final answer
    x = 5,532.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.