Home / 3,988.17-5,987.70-2,533.80

Finding the Fourth Proportional to 3,988.17, 5,987.70 and 2,533.80

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Solution

The fourth proportional to 3,988.17, 5,987.70 and 2,533.80 is: 3,804.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,988.17 : 5,987.70 = 2,533.80 : x
  2. Step 2: Convert to fraction form
    3,988.17/5,987.70 = 2,533.80/x
  3. Step 3: Cross multiply
    3,988.17x = 5,987.70 × 2,533.80
  4. Step 4: Simplify right side
    3,988.17x = 15,171,634.26
  5. Step 5: Solve for x
    x = 15,171,634.26/3,988.17
  6. Step 6: Final answer
    x = 3,804.16

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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.