Home / 2,171.07-3,258.18-1,476.09

Finding the Fourth Proportional to 2,171.07, 3,258.18 and 1,476.09

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Solution

The fourth proportional to 2,171.07, 3,258.18 and 1,476.09 is: 2,215.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171.07 : 3,258.18 = 1,476.09 : x
  2. Step 2: Convert to fraction form
    2,171.07/3,258.18 = 1,476.09/x
  3. Step 3: Cross multiply
    2,171.07x = 3,258.18 × 1,476.09
  4. Step 4: Simplify right side
    2,171.07x = 4,809,366.92
  5. Step 5: Solve for x
    x = 4,809,366.92/2,171.07
  6. Step 6: Final answer
    x = 2,215.21

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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.