Home / 3,980.48-5,493.45-2,301.35

Finding the Fourth Proportional to 3,980.48, 5,493.45 and 2,301.35

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Solution

The fourth proportional to 3,980.48, 5,493.45 and 2,301.35 is: 3,176.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,980.48 : 5,493.45 = 2,301.35 : x
  2. Step 2: Convert to fraction form
    3,980.48/5,493.45 = 2,301.35/x
  3. Step 3: Cross multiply
    3,980.48x = 5,493.45 × 2,301.35
  4. Step 4: Simplify right side
    3,980.48x = 12,642,351.16
  5. Step 5: Solve for x
    x = 12,642,351.16/3,980.48
  6. Step 6: Final answer
    x = 3,176.09

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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.