Home / 1,936.95-2,904.17-1,071.87

Finding the Fourth Proportional to 1,936.95, 2,904.17 and 1,071.87

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Solution

The fourth proportional to 1,936.95, 2,904.17 and 1,071.87 is: 1,607.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936.95 : 2,904.17 = 1,071.87 : x
  2. Step 2: Convert to fraction form
    1,936.95/2,904.17 = 1,071.87/x
  3. Step 3: Cross multiply
    1,936.95x = 2,904.17 × 1,071.87
  4. Step 4: Simplify right side
    1,936.95x = 3,112,887.34
  5. Step 5: Solve for x
    x = 3,112,887.34/1,936.95
  6. Step 6: Final answer
    x = 1,607.11

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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.