Home / 2,949.92-4,070.33-1,886.87

Finding the Fourth Proportional to 2,949.92, 4,070.33 and 1,886.87

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Solution

The fourth proportional to 2,949.92, 4,070.33 and 1,886.87 is: 2,603.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949.92 : 4,070.33 = 1,886.87 : x
  2. Step 2: Convert to fraction form
    2,949.92/4,070.33 = 1,886.87/x
  3. Step 3: Cross multiply
    2,949.92x = 4,070.33 × 1,886.87
  4. Step 4: Simplify right side
    2,949.92x = 7,680,174.63
  5. Step 5: Solve for x
    x = 7,680,174.63/2,949.92
  6. Step 6: Final answer
    x = 2,603.52

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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.