Home / 3,709.15-5,118.55-2,030.51

Finding the Fourth Proportional to 3,709.15, 5,118.55 and 2,030.51

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Solution

The fourth proportional to 3,709.15, 5,118.55 and 2,030.51 is: 2,802.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709.15 : 5,118.55 = 2,030.51 : x
  2. Step 2: Convert to fraction form
    3,709.15/5,118.55 = 2,030.51/x
  3. Step 3: Cross multiply
    3,709.15x = 5,118.55 × 2,030.51
  4. Step 4: Simplify right side
    3,709.15x = 10,393,274.68
  5. Step 5: Solve for x
    x = 10,393,274.68/3,709.15
  6. Step 6: Final answer
    x = 2,802.07

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.