Home / 1,938.96-2,905.44-1,014.72

Finding the Fourth Proportional to 1,938.96, 2,905.44 and 1,014.72

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Solution

The fourth proportional to 1,938.96, 2,905.44 and 1,014.72 is: 1,520.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938.96 : 2,905.44 = 1,014.72 : x
  2. Step 2: Convert to fraction form
    1,938.96/2,905.44 = 1,014.72/x
  3. Step 3: Cross multiply
    1,938.96x = 2,905.44 × 1,014.72
  4. Step 4: Simplify right side
    1,938.96x = 2,948,208.08
  5. Step 5: Solve for x
    x = 2,948,208.08/1,938.96
  6. Step 6: Final answer
    x = 1,520.51

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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.