Home / 2,847.86-3,930.08-1,588.92

Finding the Fourth Proportional to 2,847.86, 3,930.08 and 1,588.92

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Solution

The fourth proportional to 2,847.86, 3,930.08 and 1,588.92 is: 2,192.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847.86 : 3,930.08 = 1,588.92 : x
  2. Step 2: Convert to fraction form
    2,847.86/3,930.08 = 1,588.92/x
  3. Step 3: Cross multiply
    2,847.86x = 3,930.08 × 1,588.92
  4. Step 4: Simplify right side
    2,847.86x = 6,244,586.69
  5. Step 5: Solve for x
    x = 6,244,586.69/2,847.86
  6. Step 6: Final answer
    x = 2,192.73

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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.