Home / 2,164.40-3,244.70-1,837.45

Finding the Fourth Proportional to 2,164.40, 3,244.70 and 1,837.45

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Solution

The fourth proportional to 2,164.40, 3,244.70 and 1,837.45 is: 2,754.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164.40 : 3,244.70 = 1,837.45 : x
  2. Step 2: Convert to fraction form
    2,164.40/3,244.70 = 1,837.45/x
  3. Step 3: Cross multiply
    2,164.40x = 3,244.70 × 1,837.45
  4. Step 4: Simplify right side
    2,164.40x = 5,961,970.50
  5. Step 5: Solve for x
    x = 5,961,970.50/2,164.40
  6. Step 6: Final answer
    x = 2,754.57

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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.