Home / 1,937.17-2,672.14-1,238.55

Finding the Fourth Proportional to 1,937.17, 2,672.14 and 1,238.55

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Solution

The fourth proportional to 1,937.17, 2,672.14 and 1,238.55 is: 1,708.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937.17 : 2,672.14 = 1,238.55 : x
  2. Step 2: Convert to fraction form
    1,937.17/2,672.14 = 1,238.55/x
  3. Step 3: Cross multiply
    1,937.17x = 2,672.14 × 1,238.55
  4. Step 4: Simplify right side
    1,937.17x = 3,309,579.00
  5. Step 5: Solve for x
    x = 3,309,579.00/1,937.17
  6. Step 6: Final answer
    x = 1,708.46

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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.