Home / 2,172.35-2,995.46-1,613.85

Finding the Fourth Proportional to 2,172.35, 2,995.46 and 1,613.85

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Solution

The fourth proportional to 2,172.35, 2,995.46 and 1,613.85 is: 2,225.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172.35 : 2,995.46 = 1,613.85 : x
  2. Step 2: Convert to fraction form
    2,172.35/2,995.46 = 1,613.85/x
  3. Step 3: Cross multiply
    2,172.35x = 2,995.46 × 1,613.85
  4. Step 4: Simplify right side
    2,172.35x = 4,834,219.09
  5. Step 5: Solve for x
    x = 4,834,219.09/2,172.35
  6. Step 6: Final answer
    x = 2,225.35

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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.