Home / 3,972.79-5,484.87-2,482

Finding the Fourth Proportional to 3,972.79, 5,484.87 and 2,482

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Solution

The fourth proportional to 3,972.79, 5,484.87 and 2,482 is: 3,426.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.79 : 5,484.87 = 2,482 : x
  2. Step 2: Convert to fraction form
    3,972.79/5,484.87 = 2,482/x
  3. Step 3: Cross multiply
    3,972.79x = 5,484.87 × 2,482
  4. Step 4: Simplify right side
    3,972.79x = 13,613,447.34
  5. Step 5: Solve for x
    x = 13,613,447.34/3,972.79
  6. Step 6: Final answer
    x = 3,426.67

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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.