Home / 3,613.53-5,419.65-2,570.40

Finding the Fourth Proportional to 3,613.53, 5,419.65 and 2,570.40

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Solution

The fourth proportional to 3,613.53, 5,419.65 and 2,570.40 is: 3,855.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613.53 : 5,419.65 = 2,570.40 : x
  2. Step 2: Convert to fraction form
    3,613.53/5,419.65 = 2,570.40/x
  3. Step 3: Cross multiply
    3,613.53x = 5,419.65 × 2,570.40
  4. Step 4: Simplify right side
    3,613.53x = 13,930,668.36
  5. Step 5: Solve for x
    x = 13,930,668.36/3,613.53
  6. Step 6: Final answer
    x = 3,855.14

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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.