Home / 2,792.32-4,187.04-1,818.88

Finding the Fourth Proportional to 2,792.32, 4,187.04 and 1,818.88

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Solution

The fourth proportional to 2,792.32, 4,187.04 and 1,818.88 is: 2,727.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792.32 : 4,187.04 = 1,818.88 : x
  2. Step 2: Convert to fraction form
    2,792.32/4,187.04 = 1,818.88/x
  3. Step 3: Cross multiply
    2,792.32x = 4,187.04 × 1,818.88
  4. Step 4: Simplify right side
    2,792.32x = 7,615,723.32
  5. Step 5: Solve for x
    x = 7,615,723.32/2,792.32
  6. Step 6: Final answer
    x = 2,727.38

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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.