Home / 3,708.57-5,117.80-2,029.95

Finding the Fourth Proportional to 3,708.57, 5,117.80 and 2,029.95

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Solution

The fourth proportional to 3,708.57, 5,117.80 and 2,029.95 is: 2,801.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708.57 : 5,117.80 = 2,029.95 : x
  2. Step 2: Convert to fraction form
    3,708.57/5,117.80 = 2,029.95/x
  3. Step 3: Cross multiply
    3,708.57x = 5,117.80 × 2,029.95
  4. Step 4: Simplify right side
    3,708.57x = 10,388,878.11
  5. Step 5: Solve for x
    x = 10,388,878.11/3,708.57
  6. Step 6: Final answer
    x = 2,801.32

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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.