Home / 3,412.81-5,119.52-1,332.97

Finding the Fourth Proportional to 3,412.81, 5,119.52 and 1,332.97

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Solution

The fourth proportional to 3,412.81, 5,119.52 and 1,332.97 is: 1,999.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,412.81 : 5,119.52 = 1,332.97 : x
  2. Step 2: Convert to fraction form
    3,412.81/5,119.52 = 1,332.97/x
  3. Step 3: Cross multiply
    3,412.81x = 5,119.52 × 1,332.97
  4. Step 4: Simplify right side
    3,412.81x = 6,824,166.57
  5. Step 5: Solve for x
    x = 6,824,166.57/3,412.81
  6. Step 6: Final answer
    x = 1,999.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.