Home / 2,293.58-3,165.16-1,245.64

Finding the Fourth Proportional to 2,293.58, 3,165.16 and 1,245.64

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Solution

The fourth proportional to 2,293.58, 3,165.16 and 1,245.64 is: 1,718.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,293.58 : 3,165.16 = 1,245.64 : x
  2. Step 2: Convert to fraction form
    2,293.58/3,165.16 = 1,245.64/x
  3. Step 3: Cross multiply
    2,293.58x = 3,165.16 × 1,245.64
  4. Step 4: Simplify right side
    2,293.58x = 3,942,649.90
  5. Step 5: Solve for x
    x = 3,942,649.90/2,293.58
  6. Step 6: Final answer
    x = 1,718.99

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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.