Home / 3,975.48-5,484.78-2,461.86

Finding the Fourth Proportional to 3,975.48, 5,484.78 and 2,461.86

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Solution

The fourth proportional to 3,975.48, 5,484.78 and 2,461.86 is: 3,396.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975.48 : 5,484.78 = 2,461.86 : x
  2. Step 2: Convert to fraction form
    3,975.48/5,484.78 = 2,461.86/x
  3. Step 3: Cross multiply
    3,975.48x = 5,484.78 × 2,461.86
  4. Step 4: Simplify right side
    3,975.48x = 13,502,760.49
  5. Step 5: Solve for x
    x = 13,502,760.49/3,975.48
  6. Step 6: Final answer
    x = 3,396.51

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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.