Home / 3,360.56-4,639.88-2,102.16

Finding the Fourth Proportional to 3,360.56, 4,639.88 and 2,102.16

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Solution

The fourth proportional to 3,360.56, 4,639.88 and 2,102.16 is: 2,902.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360.56 : 4,639.88 = 2,102.16 : x
  2. Step 2: Convert to fraction form
    3,360.56/4,639.88 = 2,102.16/x
  3. Step 3: Cross multiply
    3,360.56x = 4,639.88 × 2,102.16
  4. Step 4: Simplify right side
    3,360.56x = 9,753,770.14
  5. Step 5: Solve for x
    x = 9,753,770.14/3,360.56
  6. Step 6: Final answer
    x = 2,902.42

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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.