Home / 3,708.37-5,117.55-2,029.78

Finding the Fourth Proportional to 3,708.37, 5,117.55 and 2,029.78

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Solution

The fourth proportional to 3,708.37, 5,117.55 and 2,029.78 is: 2,801.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708.37 : 5,117.55 = 2,029.78 : x
  2. Step 2: Convert to fraction form
    3,708.37/5,117.55 = 2,029.78/x
  3. Step 3: Cross multiply
    3,708.37x = 5,117.55 × 2,029.78
  4. Step 4: Simplify right side
    3,708.37x = 10,387,500.64
  5. Step 5: Solve for x
    x = 10,387,500.64/3,708.37
  6. Step 6: Final answer
    x = 2,801.10

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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.