Home / 1,316.07-1,963.89-1,141.11

Finding the Fourth Proportional to 1,316.07, 1,963.89 and 1,141.11

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Solution

The fourth proportional to 1,316.07, 1,963.89 and 1,141.11 is: 1,702.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316.07 : 1,963.89 = 1,141.11 : x
  2. Step 2: Convert to fraction form
    1,316.07/1,963.89 = 1,141.11/x
  3. Step 3: Cross multiply
    1,316.07x = 1,963.89 × 1,141.11
  4. Step 4: Simplify right side
    1,316.07x = 2,241,014.52
  5. Step 5: Solve for x
    x = 2,241,014.52/1,316.07
  6. Step 6: Final answer
    x = 1,702.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.