Home / 3,969.32-5,953.91-1,372.19

Finding the Fourth Proportional to 3,969.32, 5,953.91 and 1,372.19

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Solution

The fourth proportional to 3,969.32, 5,953.91 and 1,372.19 is: 2,058.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969.32 : 5,953.91 = 1,372.19 : x
  2. Step 2: Convert to fraction form
    3,969.32/5,953.91 = 1,372.19/x
  3. Step 3: Cross multiply
    3,969.32x = 5,953.91 × 1,372.19
  4. Step 4: Simplify right side
    3,969.32x = 8,169,859.13
  5. Step 5: Solve for x
    x = 8,169,859.13/3,969.32
  6. Step 6: Final answer
    x = 2,058.25

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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.