Home / 3,650.19-5,445.67-3,124.09

Finding the Fourth Proportional to 3,650.19, 5,445.67 and 3,124.09

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Solution

The fourth proportional to 3,650.19, 5,445.67 and 3,124.09 is: 4,660.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,650.19 : 5,445.67 = 3,124.09 : x
  2. Step 2: Convert to fraction form
    3,650.19/5,445.67 = 3,124.09/x
  3. Step 3: Cross multiply
    3,650.19x = 5,445.67 × 3,124.09
  4. Step 4: Simplify right side
    3,650.19x = 17,012,763.19
  5. Step 5: Solve for x
    x = 17,012,763.19/3,650.19
  6. Step 6: Final answer
    x = 4,660.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.