Home / 2,293.53-3,165.09-1,245.60

Finding the Fourth Proportional to 2,293.53, 3,165.09 and 1,245.60

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Solution

The fourth proportional to 2,293.53, 3,165.09 and 1,245.60 is: 1,718.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,293.53 : 3,165.09 = 1,245.60 : x
  2. Step 2: Convert to fraction form
    2,293.53/3,165.09 = 1,245.60/x
  3. Step 3: Cross multiply
    2,293.53x = 3,165.09 × 1,245.60
  4. Step 4: Simplify right side
    2,293.53x = 3,942,436.10
  5. Step 5: Solve for x
    x = 3,942,436.10/2,293.53
  6. Step 6: Final answer
    x = 1,718.94

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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.