Home / 3,146.70-4,710.93-2,813.18

Finding the Fourth Proportional to 3,146.70, 4,710.93 and 2,813.18

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Solution

The fourth proportional to 3,146.70, 4,710.93 and 2,813.18 is: 4,211.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.70 : 4,710.93 = 2,813.18 : x
  2. Step 2: Convert to fraction form
    3,146.70/4,710.93 = 2,813.18/x
  3. Step 3: Cross multiply
    3,146.70x = 4,710.93 × 2,813.18
  4. Step 4: Simplify right side
    3,146.70x = 13,252,694.06
  5. Step 5: Solve for x
    x = 13,252,694.06/3,146.70
  6. Step 6: Final answer
    x = 4,211.62

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1.5x scale

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.