Home / 3,453.59-4,765.26-2,389.69

Finding the Fourth Proportional to 3,453.59, 4,765.26 and 2,389.69

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Solution

The fourth proportional to 3,453.59, 4,765.26 and 2,389.69 is: 3,297.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.59 : 4,765.26 = 2,389.69 : x
  2. Step 2: Convert to fraction form
    3,453.59/4,765.26 = 2,389.69/x
  3. Step 3: Cross multiply
    3,453.59x = 4,765.26 × 2,389.69
  4. Step 4: Simplify right side
    3,453.59x = 11,387,494.17
  5. Step 5: Solve for x
    x = 11,387,494.17/3,453.59
  6. Step 6: Final answer
    x = 3,297.29

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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.