Home / 2,186.28-3,275.76-1,727.04

Finding the Fourth Proportional to 2,186.28, 3,275.76 and 1,727.04

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Solution

The fourth proportional to 2,186.28, 3,275.76 and 1,727.04 is: 2,587.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186.28 : 3,275.76 = 1,727.04 : x
  2. Step 2: Convert to fraction form
    2,186.28/3,275.76 = 1,727.04/x
  3. Step 3: Cross multiply
    2,186.28x = 3,275.76 × 1,727.04
  4. Step 4: Simplify right side
    2,186.28x = 5,657,368.55
  5. Step 5: Solve for x
    x = 5,657,368.55/2,186.28
  6. Step 6: Final answer
    x = 2,587.67

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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.