Home / 2,328.20-3,496.35-2,255.30

Finding the Fourth Proportional to 2,328.20, 3,496.35 and 2,255.30

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Solution

The fourth proportional to 2,328.20, 3,496.35 and 2,255.30 is: 3,386.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,328.20 : 3,496.35 = 2,255.30 : x
  2. Step 2: Convert to fraction form
    2,328.20/3,496.35 = 2,255.30/x
  3. Step 3: Cross multiply
    2,328.20x = 3,496.35 × 2,255.30
  4. Step 4: Simplify right side
    2,328.20x = 7,885,318.16
  5. Step 5: Solve for x
    x = 7,885,318.16/2,328.20
  6. Step 6: Final answer
    x = 3,386.87

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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.