Home / 1,950.31-2,691.36-1,110.95

Finding the Fourth Proportional to 1,950.31, 2,691.36 and 1,110.95

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Solution

The fourth proportional to 1,950.31, 2,691.36 and 1,110.95 is: 1,533.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,950.31 : 2,691.36 = 1,110.95 : x
  2. Step 2: Convert to fraction form
    1,950.31/2,691.36 = 1,110.95/x
  3. Step 3: Cross multiply
    1,950.31x = 2,691.36 × 1,110.95
  4. Step 4: Simplify right side
    1,950.31x = 2,989,966.39
  5. Step 5: Solve for x
    x = 2,989,966.39/1,950.31
  6. Step 6: Final answer
    x = 1,533.07

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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.