Home / 3,457.20-5,177.52-1,894.86

Finding the Fourth Proportional to 3,457.20, 5,177.52 and 1,894.86

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Solution

The fourth proportional to 3,457.20, 5,177.52 and 1,894.86 is: 2,837.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457.20 : 5,177.52 = 1,894.86 : x
  2. Step 2: Convert to fraction form
    3,457.20/5,177.52 = 1,894.86/x
  3. Step 3: Cross multiply
    3,457.20x = 5,177.52 × 1,894.86
  4. Step 4: Simplify right side
    3,457.20x = 9,810,675.55
  5. Step 5: Solve for x
    x = 9,810,675.55/3,457.20
  6. Step 6: Final answer
    x = 2,837.75

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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.