Home / 1,344.26-1,853.08-1,319.69

Finding the Fourth Proportional to 1,344.26, 1,853.08 and 1,319.69

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Solution

The fourth proportional to 1,344.26, 1,853.08 and 1,319.69 is: 1,819.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344.26 : 1,853.08 = 1,319.69 : x
  2. Step 2: Convert to fraction form
    1,344.26/1,853.08 = 1,319.69/x
  3. Step 3: Cross multiply
    1,344.26x = 1,853.08 × 1,319.69
  4. Step 4: Simplify right side
    1,344.26x = 2,445,492.48
  5. Step 5: Solve for x
    x = 2,445,492.48/1,344.26
  6. Step 6: Final answer
    x = 1,819.21

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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.