Home / 2,313.94-3,192.96-1,319.10

Finding the Fourth Proportional to 2,313.94, 3,192.96 and 1,319.10

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Solution

The fourth proportional to 2,313.94, 3,192.96 and 1,319.10 is: 1,820.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,313.94 : 3,192.96 = 1,319.10 : x
  2. Step 2: Convert to fraction form
    2,313.94/3,192.96 = 1,319.10/x
  3. Step 3: Cross multiply
    2,313.94x = 3,192.96 × 1,319.10
  4. Step 4: Simplify right side
    2,313.94x = 4,211,833.54
  5. Step 5: Solve for x
    x = 4,211,833.54/2,313.94
  6. Step 6: Final answer
    x = 1,820.20

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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.