Home / 3,175.16-4,379.52-3,116.84

Finding the Fourth Proportional to 3,175.16, 4,379.52 and 3,116.84

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Solution

The fourth proportional to 3,175.16, 4,379.52 and 3,116.84 is: 4,299.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175.16 : 4,379.52 = 3,116.84 : x
  2. Step 2: Convert to fraction form
    3,175.16/4,379.52 = 3,116.84/x
  3. Step 3: Cross multiply
    3,175.16x = 4,379.52 × 3,116.84
  4. Step 4: Simplify right side
    3,175.16x = 13,650,263.12
  5. Step 5: Solve for x
    x = 13,650,263.12/3,175.16
  6. Step 6: Final answer
    x = 4,299.08

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1.5x scale

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.