Home / 3,911.45-5,399.57-2,497.05

Finding the Fourth Proportional to 3,911.45, 5,399.57 and 2,497.05

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Solution

The fourth proportional to 3,911.45, 5,399.57 and 2,497.05 is: 3,447.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911.45 : 5,399.57 = 2,497.05 : x
  2. Step 2: Convert to fraction form
    3,911.45/5,399.57 = 2,497.05/x
  3. Step 3: Cross multiply
    3,911.45x = 5,399.57 × 2,497.05
  4. Step 4: Simplify right side
    3,911.45x = 13,483,002.51
  5. Step 5: Solve for x
    x = 13,483,002.51/3,911.45
  6. Step 6: Final answer
    x = 3,447.06

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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.