Home / 3,648.85-5,033.66-2,389.34

Finding the Fourth Proportional to 3,648.85, 5,033.66 and 2,389.34

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Solution

The fourth proportional to 3,648.85, 5,033.66 and 2,389.34 is: 3,296.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,648.85 : 5,033.66 = 2,389.34 : x
  2. Step 2: Convert to fraction form
    3,648.85/5,033.66 = 2,389.34/x
  3. Step 3: Cross multiply
    3,648.85x = 5,033.66 × 2,389.34
  4. Step 4: Simplify right side
    3,648.85x = 12,027,125.82
  5. Step 5: Solve for x
    x = 12,027,125.82/3,648.85
  6. Step 6: Final answer
    x = 3,296.14

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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.