Home / 3,543.38-4,889.75-1,950.02

Finding the Fourth Proportional to 3,543.38, 4,889.75 and 1,950.02

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Solution

The fourth proportional to 3,543.38, 4,889.75 and 1,950.02 is: 2,690.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543.38 : 4,889.75 = 1,950.02 : x
  2. Step 2: Convert to fraction form
    3,543.38/4,889.75 = 1,950.02/x
  3. Step 3: Cross multiply
    3,543.38x = 4,889.75 × 1,950.02
  4. Step 4: Simplify right side
    3,543.38x = 9,535,076.10
  5. Step 5: Solve for x
    x = 9,535,076.10/3,543.38
  6. Step 6: Final answer
    x = 2,690.96

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1.5x scale

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.