Home / 3,588.98-5,384.85-1,399.25

Finding the Fourth Proportional to 3,588.98, 5,384.85 and 1,399.25

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Solution

The fourth proportional to 3,588.98, 5,384.85 and 1,399.25 is: 2,099.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,588.98 : 5,384.85 = 1,399.25 : x
  2. Step 2: Convert to fraction form
    3,588.98/5,384.85 = 1,399.25/x
  3. Step 3: Cross multiply
    3,588.98x = 5,384.85 × 1,399.25
  4. Step 4: Simplify right side
    3,588.98x = 7,534,751.36
  5. Step 5: Solve for x
    x = 7,534,751.36/3,588.98
  6. Step 6: Final answer
    x = 2,099.41

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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.