Home / 1,900.06-2,851.30-1,641.87

Finding the Fourth Proportional to 1,900.06, 2,851.30 and 1,641.87

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Solution

The fourth proportional to 1,900.06, 2,851.30 and 1,641.87 is: 2,463.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900.06 : 2,851.30 = 1,641.87 : x
  2. Step 2: Convert to fraction form
    1,900.06/2,851.30 = 1,641.87/x
  3. Step 3: Cross multiply
    1,900.06x = 2,851.30 × 1,641.87
  4. Step 4: Simplify right side
    1,900.06x = 4,681,465.98
  5. Step 5: Solve for x
    x = 4,681,465.98/1,900.06
  6. Step 6: Final answer
    x = 2,463.85

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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.