Home / 2,449.40-3,668.70-1,473.80

Finding the Fourth Proportional to 2,449.40, 3,668.70 and 1,473.80

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Solution

The fourth proportional to 2,449.40, 3,668.70 and 1,473.80 is: 2,207.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,449.40 : 3,668.70 = 1,473.80 : x
  2. Step 2: Convert to fraction form
    2,449.40/3,668.70 = 1,473.80/x
  3. Step 3: Cross multiply
    2,449.40x = 3,668.70 × 1,473.80
  4. Step 4: Simplify right side
    2,449.40x = 5,406,930.06
  5. Step 5: Solve for x
    x = 5,406,930.06/2,449.40
  6. Step 6: Final answer
    x = 2,207.45

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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.