Home / 3,118.86-4,677.12-1,473.66

Finding the Fourth Proportional to 3,118.86, 4,677.12 and 1,473.66

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Solution

The fourth proportional to 3,118.86, 4,677.12 and 1,473.66 is: 2,209.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.86 : 4,677.12 = 1,473.66 : x
  2. Step 2: Convert to fraction form
    3,118.86/4,677.12 = 1,473.66/x
  3. Step 3: Cross multiply
    3,118.86x = 4,677.12 × 1,473.66
  4. Step 4: Simplify right side
    3,118.86x = 6,892,484.66
  5. Step 5: Solve for x
    x = 6,892,484.66/3,118.86
  6. Step 6: Final answer
    x = 2,209.94

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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.