Home / 3,548.13-5,322.21-1,239.63

Finding the Fourth Proportional to 3,548.13, 5,322.21 and 1,239.63

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Solution

The fourth proportional to 3,548.13, 5,322.21 and 1,239.63 is: 1,859.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,548.13 : 5,322.21 = 1,239.63 : x
  2. Step 2: Convert to fraction form
    3,548.13/5,322.21 = 1,239.63/x
  3. Step 3: Cross multiply
    3,548.13x = 5,322.21 × 1,239.63
  4. Step 4: Simplify right side
    3,548.13x = 6,597,571.18
  5. Step 5: Solve for x
    x = 6,597,571.18/3,548.13
  6. Step 6: Final answer
    x = 1,859.45

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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.