Home / 2,177.16-3,263.32-1,082.32

Finding the Fourth Proportional to 2,177.16, 3,263.32 and 1,082.32

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Solution

The fourth proportional to 2,177.16, 3,263.32 and 1,082.32 is: 1,622.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.16 : 3,263.32 = 1,082.32 : x
  2. Step 2: Convert to fraction form
    2,177.16/3,263.32 = 1,082.32/x
  3. Step 3: Cross multiply
    2,177.16x = 3,263.32 × 1,082.32
  4. Step 4: Simplify right side
    2,177.16x = 3,531,956.50
  5. Step 5: Solve for x
    x = 3,531,956.50/2,177.16
  6. Step 6: Final answer
    x = 1,622.28

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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.