Home / 2,469.21-3,407.99-1,586.13

Finding the Fourth Proportional to 2,469.21, 3,407.99 and 1,586.13

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Solution

The fourth proportional to 2,469.21, 3,407.99 and 1,586.13 is: 2,189.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,469.21 : 3,407.99 = 1,586.13 : x
  2. Step 2: Convert to fraction form
    2,469.21/3,407.99 = 1,586.13/x
  3. Step 3: Cross multiply
    2,469.21x = 3,407.99 × 1,586.13
  4. Step 4: Simplify right side
    2,469.21x = 5,405,515.18
  5. Step 5: Solve for x
    x = 5,405,515.18/2,469.21
  6. Step 6: Final answer
    x = 2,189.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.