Home / 3,543.18-4,889.73-1,949.90

Finding the Fourth Proportional to 3,543.18, 4,889.73 and 1,949.90

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Solution

The fourth proportional to 3,543.18, 4,889.73 and 1,949.90 is: 2,690.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543.18 : 4,889.73 = 1,949.90 : x
  2. Step 2: Convert to fraction form
    3,543.18/4,889.73 = 1,949.90/x
  3. Step 3: Cross multiply
    3,543.18x = 4,889.73 × 1,949.90
  4. Step 4: Simplify right side
    3,543.18x = 9,534,460.08
  5. Step 5: Solve for x
    x = 9,534,460.08/3,543.18
  6. Step 6: Final answer
    x = 2,690.93

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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.