Home / 2,760.08-3,806.19-1,816.70

Finding the Fourth Proportional to 2,760.08, 3,806.19 and 1,816.70

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Solution

The fourth proportional to 2,760.08, 3,806.19 and 1,816.70 is: 2,505.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760.08 : 3,806.19 = 1,816.70 : x
  2. Step 2: Convert to fraction form
    2,760.08/3,806.19 = 1,816.70/x
  3. Step 3: Cross multiply
    2,760.08x = 3,806.19 × 1,816.70
  4. Step 4: Simplify right side
    2,760.08x = 6,914,686.34
  5. Step 5: Solve for x
    x = 6,914,686.34/2,760.08
  6. Step 6: Final answer
    x = 2,505.25

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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.