Home / 2,319.29-3,198.77-2,038.94

Finding the Fourth Proportional to 2,319.29, 3,198.77 and 2,038.94

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Solution

The fourth proportional to 2,319.29, 3,198.77 and 2,038.94 is: 2,812.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.29 : 3,198.77 = 2,038.94 : x
  2. Step 2: Convert to fraction form
    2,319.29/3,198.77 = 2,038.94/x
  3. Step 3: Cross multiply
    2,319.29x = 3,198.77 × 2,038.94
  4. Step 4: Simplify right side
    2,319.29x = 6,522,073.92
  5. Step 5: Solve for x
    x = 6,522,073.92/2,319.29
  6. Step 6: Final answer
    x = 2,812.11

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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.