Home / 2,175.30-3,002.13-1,477.86

Finding the Fourth Proportional to 2,175.30, 3,002.13 and 1,477.86

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Solution

The fourth proportional to 2,175.30, 3,002.13 and 1,477.86 is: 2,039.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175.30 : 3,002.13 = 1,477.86 : x
  2. Step 2: Convert to fraction form
    2,175.30/3,002.13 = 1,477.86/x
  3. Step 3: Cross multiply
    2,175.30x = 3,002.13 × 1,477.86
  4. Step 4: Simplify right side
    2,175.30x = 4,436,727.84
  5. Step 5: Solve for x
    x = 4,436,727.84/2,175.30
  6. Step 6: Final answer
    x = 2,039.59

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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.