Home / 2,914.40-4,371.60-2,100.35

Finding the Fourth Proportional to 2,914.40, 4,371.60 and 2,100.35

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Solution

The fourth proportional to 2,914.40, 4,371.60 and 2,100.35 is: 3,150.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914.40 : 4,371.60 = 2,100.35 : x
  2. Step 2: Convert to fraction form
    2,914.40/4,371.60 = 2,100.35/x
  3. Step 3: Cross multiply
    2,914.40x = 4,371.60 × 2,100.35
  4. Step 4: Simplify right side
    2,914.40x = 9,181,890.06
  5. Step 5: Solve for x
    x = 9,181,890.06/2,914.40
  6. Step 6: Final answer
    x = 3,150.53

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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.