Home / 4,181.40-5,770.08-2,318.40

Finding the Fourth Proportional to 4,181.40, 5,770.08 and 2,318.40

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Solution

The fourth proportional to 4,181.40, 5,770.08 and 2,318.40 is: 3,199.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,181.40 : 5,770.08 = 2,318.40 : x
  2. Step 2: Convert to fraction form
    4,181.40/5,770.08 = 2,318.40/x
  3. Step 3: Cross multiply
    4,181.40x = 5,770.08 × 2,318.40
  4. Step 4: Simplify right side
    4,181.40x = 13,377,353.47
  5. Step 5: Solve for x
    x = 13,377,353.47/4,181.40
  6. Step 6: Final answer
    x = 3,199.25

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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.