Home / 3,707.36-5,116.16-2,028.77

Finding the Fourth Proportional to 3,707.36, 5,116.16 and 2,028.77

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Solution

The fourth proportional to 3,707.36, 5,116.16 and 2,028.77 is: 2,799.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,707.36 : 5,116.16 = 2,028.77 : x
  2. Step 2: Convert to fraction form
    3,707.36/5,116.16 = 2,028.77/x
  3. Step 3: Cross multiply
    3,707.36x = 5,116.16 × 2,028.77
  4. Step 4: Simplify right side
    3,707.36x = 10,379,495.13
  5. Step 5: Solve for x
    x = 10,379,495.13/3,707.36
  6. Step 6: Final answer
    x = 2,799.70

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Half scale
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Double scale
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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.