Home / 2,785.23-3,843.50-1,606.08

Finding the Fourth Proportional to 2,785.23, 3,843.50 and 1,606.08

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Solution

The fourth proportional to 2,785.23, 3,843.50 and 1,606.08 is: 2,216.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785.23 : 3,843.50 = 1,606.08 : x
  2. Step 2: Convert to fraction form
    2,785.23/3,843.50 = 1,606.08/x
  3. Step 3: Cross multiply
    2,785.23x = 3,843.50 × 1,606.08
  4. Step 4: Simplify right side
    2,785.23x = 6,172,960.45
  5. Step 5: Solve for x
    x = 6,172,960.45/2,785.23
  6. Step 6: Final answer
    x = 2,216.32

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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.