Home / 3,144.81-4,716.60-2,988.70

Finding the Fourth Proportional to 3,144.81, 4,716.60 and 2,988.70

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Solution

The fourth proportional to 3,144.81, 4,716.60 and 2,988.70 is: 4,482.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.81 : 4,716.60 = 2,988.70 : x
  2. Step 2: Convert to fraction form
    3,144.81/4,716.60 = 2,988.70/x
  3. Step 3: Cross multiply
    3,144.81x = 4,716.60 × 2,988.70
  4. Step 4: Simplify right side
    3,144.81x = 14,096,502.42
  5. Step 5: Solve for x
    x = 14,096,502.42/3,144.81
  6. Step 6: Final answer
    x = 4,482.47

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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.