Home / 2,947.44-4,065.84-1,827.36

Finding the Fourth Proportional to 2,947.44, 4,065.84 and 1,827.36

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Solution

The fourth proportional to 2,947.44, 4,065.84 and 1,827.36 is: 2,520.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947.44 : 4,065.84 = 1,827.36 : x
  2. Step 2: Convert to fraction form
    2,947.44/4,065.84 = 1,827.36/x
  3. Step 3: Cross multiply
    2,947.44x = 4,065.84 × 1,827.36
  4. Step 4: Simplify right side
    2,947.44x = 7,429,753.38
  5. Step 5: Solve for x
    x = 7,429,753.38/2,947.44
  6. Step 6: Final answer
    x = 2,520.75

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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.