Home / 2,164.74-2,987.36-1,233.30

Finding the Fourth Proportional to 2,164.74, 2,987.36 and 1,233.30

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Solution

The fourth proportional to 2,164.74, 2,987.36 and 1,233.30 is: 1,701.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164.74 : 2,987.36 = 1,233.30 : x
  2. Step 2: Convert to fraction form
    2,164.74/2,987.36 = 1,233.30/x
  3. Step 3: Cross multiply
    2,164.74x = 2,987.36 × 1,233.30
  4. Step 4: Simplify right side
    2,164.74x = 3,684,311.09
  5. Step 5: Solve for x
    x = 3,684,311.09/2,164.74
  6. Step 6: Final answer
    x = 1,701.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.