Home / 3,439.22-5,130.18-3,107.03

Finding the Fourth Proportional to 3,439.22, 5,130.18 and 3,107.03

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Solution

The fourth proportional to 3,439.22, 5,130.18 and 3,107.03 is: 4,634.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.22 : 5,130.18 = 3,107.03 : x
  2. Step 2: Convert to fraction form
    3,439.22/5,130.18 = 3,107.03/x
  3. Step 3: Cross multiply
    3,439.22x = 5,130.18 × 3,107.03
  4. Step 4: Simplify right side
    3,439.22x = 15,939,597.51
  5. Step 5: Solve for x
    x = 15,939,597.51/3,439.22
  6. Step 6: Final answer
    x = 4,634.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.