Home / 3,349.45-4,612.49-3,135.51

Finding the Fourth Proportional to 3,349.45, 4,612.49 and 3,135.51

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Solution

The fourth proportional to 3,349.45, 4,612.49 and 3,135.51 is: 4,317.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,349.45 : 4,612.49 = 3,135.51 : x
  2. Step 2: Convert to fraction form
    3,349.45/4,612.49 = 3,135.51/x
  3. Step 3: Cross multiply
    3,349.45x = 4,612.49 × 3,135.51
  4. Step 4: Simplify right side
    3,349.45x = 14,462,469.78
  5. Step 5: Solve for x
    x = 14,462,469.78/3,349.45
  6. Step 6: Final answer
    x = 4,317.87

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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.