Home / 3,648.86-5,033.66-2,389.35

Finding the Fourth Proportional to 3,648.86, 5,033.66 and 2,389.35

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Solution

The fourth proportional to 3,648.86, 5,033.66 and 2,389.35 is: 3,296.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,648.86 : 5,033.66 = 2,389.35 : x
  2. Step 2: Convert to fraction form
    3,648.86/5,033.66 = 2,389.35/x
  3. Step 3: Cross multiply
    3,648.86x = 5,033.66 × 2,389.35
  4. Step 4: Simplify right side
    3,648.86x = 12,027,175.52
  5. Step 5: Solve for x
    x = 12,027,175.52/3,648.86
  6. Step 6: Final answer
    x = 3,296.15

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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.