Home / 3,685.88-5,530.98-2,225.18

Finding the Fourth Proportional to 3,685.88, 5,530.98 and 2,225.18

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Solution

The fourth proportional to 3,685.88, 5,530.98 and 2,225.18 is: 3,339.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685.88 : 5,530.98 = 2,225.18 : x
  2. Step 2: Convert to fraction form
    3,685.88/5,530.98 = 2,225.18/x
  3. Step 3: Cross multiply
    3,685.88x = 5,530.98 × 2,225.18
  4. Step 4: Simplify right side
    3,685.88x = 12,307,426.08
  5. Step 5: Solve for x
    x = 12,307,426.08/3,685.88
  6. Step 6: Final answer
    x = 3,339.07

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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.