Home / 2,763.16-3,812.86-1,520.92

Finding the Fourth Proportional to 2,763.16, 3,812.86 and 1,520.92

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Solution

The fourth proportional to 2,763.16, 3,812.86 and 1,520.92 is: 2,098.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,763.16 : 3,812.86 = 1,520.92 : x
  2. Step 2: Convert to fraction form
    2,763.16/3,812.86 = 1,520.92/x
  3. Step 3: Cross multiply
    2,763.16x = 3,812.86 × 1,520.92
  4. Step 4: Simplify right side
    2,763.16x = 5,799,055.03
  5. Step 5: Solve for x
    x = 5,799,055.03/2,763.16
  6. Step 6: Final answer
    x = 2,098.70

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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.