Home / 2,652.86-3,979.50-1,192.16

Finding the Fourth Proportional to 2,652.86, 3,979.50 and 1,192.16

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Solution

The fourth proportional to 2,652.86, 3,979.50 and 1,192.16 is: 1,788.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,652.86 : 3,979.50 = 1,192.16 : x
  2. Step 2: Convert to fraction form
    2,652.86/3,979.50 = 1,192.16/x
  3. Step 3: Cross multiply
    2,652.86x = 3,979.50 × 1,192.16
  4. Step 4: Simplify right side
    2,652.86x = 4,744,200.72
  5. Step 5: Solve for x
    x = 4,744,200.72/2,652.86
  6. Step 6: Final answer
    x = 1,788.33

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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.