Home / 3,640.12-5,023.36-2,068.22

Finding the Fourth Proportional to 3,640.12, 5,023.36 and 2,068.22

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Solution

The fourth proportional to 3,640.12, 5,023.36 and 2,068.22 is: 2,854.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640.12 : 5,023.36 = 2,068.22 : x
  2. Step 2: Convert to fraction form
    3,640.12/5,023.36 = 2,068.22/x
  3. Step 3: Cross multiply
    3,640.12x = 5,023.36 × 2,068.22
  4. Step 4: Simplify right side
    3,640.12x = 10,389,393.67
  5. Step 5: Solve for x
    x = 10,389,393.67/3,640.12
  6. Step 6: Final answer
    x = 2,854.13

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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.