Home / 3,819.34-5,266.53-3,317.68

Finding the Fourth Proportional to 3,819.34, 5,266.53 and 3,317.68

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Solution

The fourth proportional to 3,819.34, 5,266.53 and 3,317.68 is: 4,574.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819.34 : 5,266.53 = 3,317.68 : x
  2. Step 2: Convert to fraction form
    3,819.34/5,266.53 = 3,317.68/x
  3. Step 3: Cross multiply
    3,819.34x = 5,266.53 × 3,317.68
  4. Step 4: Simplify right side
    3,819.34x = 17,472,661.25
  5. Step 5: Solve for x
    x = 17,472,661.25/3,819.34
  6. Step 6: Final answer
    x = 4,574.79

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1.5x scale

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.