Home / 1,613.14-2,419.71-1,369.06

Finding the Fourth Proportional to 1,613.14, 2,419.71 and 1,369.06

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Solution

The fourth proportional to 1,613.14, 2,419.71 and 1,369.06 is: 2,053.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613.14 : 2,419.71 = 1,369.06 : x
  2. Step 2: Convert to fraction form
    1,613.14/2,419.71 = 1,369.06/x
  3. Step 3: Cross multiply
    1,613.14x = 2,419.71 × 1,369.06
  4. Step 4: Simplify right side
    1,613.14x = 3,312,728.17
  5. Step 5: Solve for x
    x = 3,312,728.17/1,613.14
  6. Step 6: Final answer
    x = 2,053.59

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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.