Home / 3,640.37-5,023.71-2,068.47

Finding the Fourth Proportional to 3,640.37, 5,023.71 and 2,068.47

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Solution

The fourth proportional to 3,640.37, 5,023.71 and 2,068.47 is: 2,854.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640.37 : 5,023.71 = 2,068.47 : x
  2. Step 2: Convert to fraction form
    3,640.37/5,023.71 = 2,068.47/x
  3. Step 3: Cross multiply
    3,640.37x = 5,023.71 × 2,068.47
  4. Step 4: Simplify right side
    3,640.37x = 10,391,363.13
  5. Step 5: Solve for x
    x = 10,391,363.13/3,640.37
  6. Step 6: Final answer
    x = 2,854.48

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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.