Home / 3,006.12-4,148.22-1,887

Finding the Fourth Proportional to 3,006.12, 4,148.22 and 1,887

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Solution

The fourth proportional to 3,006.12, 4,148.22 and 1,887 is: 2,603.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,006.12 : 4,148.22 = 1,887 : x
  2. Step 2: Convert to fraction form
    3,006.12/4,148.22 = 1,887/x
  3. Step 3: Cross multiply
    3,006.12x = 4,148.22 × 1,887
  4. Step 4: Simplify right side
    3,006.12x = 7,827,691.14
  5. Step 5: Solve for x
    x = 7,827,691.14/3,006.12
  6. Step 6: Final answer
    x = 2,603.92

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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.