Home / 3,145.61-4,716.52-1,297.93

Finding the Fourth Proportional to 3,145.61, 4,716.52 and 1,297.93

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Solution

The fourth proportional to 3,145.61, 4,716.52 and 1,297.93 is: 1,946.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145.61 : 4,716.52 = 1,297.93 : x
  2. Step 2: Convert to fraction form
    3,145.61/4,716.52 = 1,297.93/x
  3. Step 3: Cross multiply
    3,145.61x = 4,716.52 × 1,297.93
  4. Step 4: Simplify right side
    3,145.61x = 6,121,712.80
  5. Step 5: Solve for x
    x = 6,121,712.80/3,145.61
  6. Step 6: Final answer
    x = 1,946.11

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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.