Home / 2,225.11-3,068.26-1,561.75

Finding the Fourth Proportional to 2,225.11, 3,068.26 and 1,561.75

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Solution

The fourth proportional to 2,225.11, 3,068.26 and 1,561.75 is: 2,153.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,225.11 : 3,068.26 = 1,561.75 : x
  2. Step 2: Convert to fraction form
    2,225.11/3,068.26 = 1,561.75/x
  3. Step 3: Cross multiply
    2,225.11x = 3,068.26 × 1,561.75
  4. Step 4: Simplify right side
    2,225.11x = 4,791,855.06
  5. Step 5: Solve for x
    x = 4,791,855.06/2,225.11
  6. Step 6: Final answer
    x = 2,153.54

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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.