Home / 3,708.51-5,117.65-2,029.90

Finding the Fourth Proportional to 3,708.51, 5,117.65 and 2,029.90

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Solution

The fourth proportional to 3,708.51, 5,117.65 and 2,029.90 is: 2,801.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708.51 : 5,117.65 = 2,029.90 : x
  2. Step 2: Convert to fraction form
    3,708.51/5,117.65 = 2,029.90/x
  3. Step 3: Cross multiply
    3,708.51x = 5,117.65 × 2,029.90
  4. Step 4: Simplify right side
    3,708.51x = 10,388,317.74
  5. Step 5: Solve for x
    x = 10,388,317.74/3,708.51
  6. Step 6: Final answer
    x = 2,801.21

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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.