Home / 2,293.23-3,164.64-1,245.30

Finding the Fourth Proportional to 2,293.23, 3,164.64 and 1,245.30

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Solution

The fourth proportional to 2,293.23, 3,164.64 and 1,245.30 is: 1,718.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,293.23 : 3,164.64 = 1,245.30 : x
  2. Step 2: Convert to fraction form
    2,293.23/3,164.64 = 1,245.30/x
  3. Step 3: Cross multiply
    2,293.23x = 3,164.64 × 1,245.30
  4. Step 4: Simplify right side
    2,293.23x = 3,940,926.19
  5. Step 5: Solve for x
    x = 3,940,926.19/2,293.23
  6. Step 6: Final answer
    x = 1,718.50

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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.