Home / 3,970.73-5,477.13-2,556.26

Finding the Fourth Proportional to 3,970.73, 5,477.13 and 2,556.26

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Solution

The fourth proportional to 3,970.73, 5,477.13 and 2,556.26 is: 3,526.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,970.73 : 5,477.13 = 2,556.26 : x
  2. Step 2: Convert to fraction form
    3,970.73/5,477.13 = 2,556.26/x
  3. Step 3: Cross multiply
    3,970.73x = 5,477.13 × 2,556.26
  4. Step 4: Simplify right side
    3,970.73x = 14,000,982.03
  5. Step 5: Solve for x
    x = 14,000,982.03/3,970.73
  6. Step 6: Final answer
    x = 3,526.05

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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.