Home / 3,139.32-4,698.81-2,317.26

Finding the Fourth Proportional to 3,139.32, 4,698.81 and 2,317.26

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Solution

The fourth proportional to 3,139.32, 4,698.81 and 2,317.26 is: 3,468.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139.32 : 4,698.81 = 2,317.26 : x
  2. Step 2: Convert to fraction form
    3,139.32/4,698.81 = 2,317.26/x
  3. Step 3: Cross multiply
    3,139.32x = 4,698.81 × 2,317.26
  4. Step 4: Simplify right side
    3,139.32x = 10,888,364.46
  5. Step 5: Solve for x
    x = 10,888,364.46/3,139.32
  6. Step 6: Final answer
    x = 3,468.38

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