Home / 2,305.14-3,181.53-1,310.46

Finding the Fourth Proportional to 2,305.14, 3,181.53 and 1,310.46

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Solution

The fourth proportional to 2,305.14, 3,181.53 and 1,310.46 is: 1,808.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,305.14 : 3,181.53 = 1,310.46 : x
  2. Step 2: Convert to fraction form
    2,305.14/3,181.53 = 1,310.46/x
  3. Step 3: Cross multiply
    2,305.14x = 3,181.53 × 1,310.46
  4. Step 4: Simplify right side
    2,305.14x = 4,169,267.80
  5. Step 5: Solve for x
    x = 4,169,267.80/2,305.14
  6. Step 6: Final answer
    x = 1,808.68

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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.