Home / 1,937.85-2,905.14-1,351.13

Finding the Fourth Proportional to 1,937.85, 2,905.14 and 1,351.13

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Solution

The fourth proportional to 1,937.85, 2,905.14 and 1,351.13 is: 2,025.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937.85 : 2,905.14 = 1,351.13 : x
  2. Step 2: Convert to fraction form
    1,937.85/2,905.14 = 1,351.13/x
  3. Step 3: Cross multiply
    1,937.85x = 2,905.14 × 1,351.13
  4. Step 4: Simplify right side
    1,937.85x = 3,925,207.28
  5. Step 5: Solve for x
    x = 3,925,207.28/1,937.85
  6. Step 6: Final answer
    x = 2,025.55

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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.