Home / 2,184.80-3,271.99-1,258.42

Finding the Fourth Proportional to 2,184.80, 3,271.99 and 1,258.42

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Solution

The fourth proportional to 2,184.80, 3,271.99 and 1,258.42 is: 1,884.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,184.80 : 3,271.99 = 1,258.42 : x
  2. Step 2: Convert to fraction form
    2,184.80/3,271.99 = 1,258.42/x
  3. Step 3: Cross multiply
    2,184.80x = 3,271.99 × 1,258.42
  4. Step 4: Simplify right side
    2,184.80x = 4,117,515.00
  5. Step 5: Solve for x
    x = 4,117,515.00/2,184.80
  6. Step 6: Final answer
    x = 1,884.62

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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.