Home / 3,239.84-4,861.08-1,507.40

Finding the Fourth Proportional to 3,239.84, 4,861.08 and 1,507.40

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Solution

The fourth proportional to 3,239.84, 4,861.08 and 1,507.40 is: 2,261.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239.84 : 4,861.08 = 1,507.40 : x
  2. Step 2: Convert to fraction form
    3,239.84/4,861.08 = 1,507.40/x
  3. Step 3: Cross multiply
    3,239.84x = 4,861.08 × 1,507.40
  4. Step 4: Simplify right side
    3,239.84x = 7,327,591.99
  5. Step 5: Solve for x
    x = 7,327,591.99/3,239.84
  6. Step 6: Final answer
    x = 2,261.71

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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.