Home / 3,588.36-5,381.16-1,396.80

Finding the Fourth Proportional to 3,588.36, 5,381.16 and 1,396.80

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Solution

The fourth proportional to 3,588.36, 5,381.16 and 1,396.80 is: 2,094.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,588.36 : 5,381.16 = 1,396.80 : x
  2. Step 2: Convert to fraction form
    3,588.36/5,381.16 = 1,396.80/x
  3. Step 3: Cross multiply
    3,588.36x = 5,381.16 × 1,396.80
  4. Step 4: Simplify right side
    3,588.36x = 7,516,404.29
  5. Step 5: Solve for x
    x = 7,516,404.29/3,588.36
  6. Step 6: Final answer
    x = 2,094.66

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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.