Home / 3,811.13-5,716.64-1,038.06

Finding the Fourth Proportional to 3,811.13, 5,716.64 and 1,038.06

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Solution

The fourth proportional to 3,811.13, 5,716.64 and 1,038.06 is: 1,557.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,811.13 : 5,716.64 = 1,038.06 : x
  2. Step 2: Convert to fraction form
    3,811.13/5,716.64 = 1,038.06/x
  3. Step 3: Cross multiply
    3,811.13x = 5,716.64 × 1,038.06
  4. Step 4: Simplify right side
    3,811.13x = 5,934,215.32
  5. Step 5: Solve for x
    x = 5,934,215.32/3,811.13
  6. Step 6: Final answer
    x = 1,557.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.