Home / 3,119.04-4,326.30-3,006.81

Finding the Fourth Proportional to 3,119.04, 4,326.30 and 3,006.81

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Solution

The fourth proportional to 3,119.04, 4,326.30 and 3,006.81 is: 4,170.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.04 : 4,326.30 = 3,006.81 : x
  2. Step 2: Convert to fraction form
    3,119.04/4,326.30 = 3,006.81/x
  3. Step 3: Cross multiply
    3,119.04x = 4,326.30 × 3,006.81
  4. Step 4: Simplify right side
    3,119.04x = 13,008,362.10
  5. Step 5: Solve for x
    x = 13,008,362.10/3,119.04
  6. Step 6: Final answer
    x = 4,170.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.