Home / 3,215.76-4,439.16-2,284.08

Finding the Fourth Proportional to 3,215.76, 4,439.16 and 2,284.08

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Solution

The fourth proportional to 3,215.76, 4,439.16 and 2,284.08 is: 3,153.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.76 : 4,439.16 = 2,284.08 : x
  2. Step 2: Convert to fraction form
    3,215.76/4,439.16 = 2,284.08/x
  3. Step 3: Cross multiply
    3,215.76x = 4,439.16 × 2,284.08
  4. Step 4: Simplify right side
    3,215.76x = 10,139,396.57
  5. Step 5: Solve for x
    x = 10,139,396.57/3,215.76
  6. Step 6: Final answer
    x = 3,153.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.