Home / 3,795.12-5,689.02-1,947.09

Finding the Fourth Proportional to 3,795.12, 5,689.02 and 1,947.09

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Solution

The fourth proportional to 3,795.12, 5,689.02 and 1,947.09 is: 2,918.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,795.12 : 5,689.02 = 1,947.09 : x
  2. Step 2: Convert to fraction form
    3,795.12/5,689.02 = 1,947.09/x
  3. Step 3: Cross multiply
    3,795.12x = 5,689.02 × 1,947.09
  4. Step 4: Simplify right side
    3,795.12x = 11,077,033.95
  5. Step 5: Solve for x
    x = 11,077,033.95/3,795.12
  6. Step 6: Final answer
    x = 2,918.76

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1.5x scale

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.