Home / 3,625.68-5,436.36-2,457.12

Finding the Fourth Proportional to 3,625.68, 5,436.36 and 2,457.12

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Solution

The fourth proportional to 3,625.68, 5,436.36 and 2,457.12 is: 3,684.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,625.68 : 5,436.36 = 2,457.12 : x
  2. Step 2: Convert to fraction form
    3,625.68/5,436.36 = 2,457.12/x
  3. Step 3: Cross multiply
    3,625.68x = 5,436.36 × 2,457.12
  4. Step 4: Simplify right side
    3,625.68x = 13,357,788.88
  5. Step 5: Solve for x
    x = 13,357,788.88/3,625.68
  6. Step 6: Final answer
    x = 3,684.22

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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.