Home / 3,318.32-4,579.18-1,902.23

Finding the Fourth Proportional to 3,318.32, 4,579.18 and 1,902.23

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Solution

The fourth proportional to 3,318.32, 4,579.18 and 1,902.23 is: 2,625.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.32 : 4,579.18 = 1,902.23 : x
  2. Step 2: Convert to fraction form
    3,318.32/4,579.18 = 1,902.23/x
  3. Step 3: Cross multiply
    3,318.32x = 4,579.18 × 1,902.23
  4. Step 4: Simplify right side
    3,318.32x = 8,710,679.55
  5. Step 5: Solve for x
    x = 8,710,679.55/3,318.32
  6. Step 6: Final answer
    x = 2,625.03

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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.