Home / 2,310.99-3,189.15-1,263.05

Finding the Fourth Proportional to 2,310.99, 3,189.15 and 1,263.05

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Solution

The fourth proportional to 2,310.99, 3,189.15 and 1,263.05 is: 1,743.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,310.99 : 3,189.15 = 1,263.05 : x
  2. Step 2: Convert to fraction form
    2,310.99/3,189.15 = 1,263.05/x
  3. Step 3: Cross multiply
    2,310.99x = 3,189.15 × 1,263.05
  4. Step 4: Simplify right side
    2,310.99x = 4,028,063.88
  5. Step 5: Solve for x
    x = 4,028,063.88/2,310.99
  6. Step 6: Final answer
    x = 1,743.00

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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.