Home / 3,487.26-5,228.36-1,637.43

Finding the Fourth Proportional to 3,487.26, 5,228.36 and 1,637.43

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Solution

The fourth proportional to 3,487.26, 5,228.36 and 1,637.43 is: 2,454.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.26 : 5,228.36 = 1,637.43 : x
  2. Step 2: Convert to fraction form
    3,487.26/5,228.36 = 1,637.43/x
  3. Step 3: Cross multiply
    3,487.26x = 5,228.36 × 1,637.43
  4. Step 4: Simplify right side
    3,487.26x = 8,561,073.51
  5. Step 5: Solve for x
    x = 8,561,073.51/3,487.26
  6. Step 6: Final answer
    x = 2,454.96

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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.