Home / 3,134.16-4,702.04-1,186.38

Finding the Fourth Proportional to 3,134.16, 4,702.04 and 1,186.38

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Solution

The fourth proportional to 3,134.16, 4,702.04 and 1,186.38 is: 1,779.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.16 : 4,702.04 = 1,186.38 : x
  2. Step 2: Convert to fraction form
    3,134.16/4,702.04 = 1,186.38/x
  3. Step 3: Cross multiply
    3,134.16x = 4,702.04 × 1,186.38
  4. Step 4: Simplify right side
    3,134.16x = 5,578,406.22
  5. Step 5: Solve for x
    x = 5,578,406.22/3,134.16
  6. Step 6: Final answer
    x = 1,779.87

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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.