Home / 2,177.64-3,261.42-1,712.16

Finding the Fourth Proportional to 2,177.64, 3,261.42 and 1,712.16

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Solution

The fourth proportional to 2,177.64, 3,261.42 and 1,712.16 is: 2,564.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.64 : 3,261.42 = 1,712.16 : x
  2. Step 2: Convert to fraction form
    2,177.64/3,261.42 = 1,712.16/x
  3. Step 3: Cross multiply
    2,177.64x = 3,261.42 × 1,712.16
  4. Step 4: Simplify right side
    2,177.64x = 5,584,072.87
  5. Step 5: Solve for x
    x = 5,584,072.87/2,177.64
  6. Step 6: Final answer
    x = 2,564.28

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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.