Home / 2,845.01-3,925.22-1,947.99

Finding the Fourth Proportional to 2,845.01, 3,925.22 and 1,947.99

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Solution

The fourth proportional to 2,845.01, 3,925.22 and 1,947.99 is: 2,687.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.01 : 3,925.22 = 1,947.99 : x
  2. Step 2: Convert to fraction form
    2,845.01/3,925.22 = 1,947.99/x
  3. Step 3: Cross multiply
    2,845.01x = 3,925.22 × 1,947.99
  4. Step 4: Simplify right side
    2,845.01x = 7,646,289.31
  5. Step 5: Solve for x
    x = 7,646,289.31/2,845.01
  6. Step 6: Final answer
    x = 2,687.61

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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.