Home / 2,293.86-3,165.44-1,298.94

Finding the Fourth Proportional to 2,293.86, 3,165.44 and 1,298.94

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Solution

The fourth proportional to 2,293.86, 3,165.44 and 1,298.94 is: 1,792.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,293.86 : 3,165.44 = 1,298.94 : x
  2. Step 2: Convert to fraction form
    2,293.86/3,165.44 = 1,298.94/x
  3. Step 3: Cross multiply
    2,293.86x = 3,165.44 × 1,298.94
  4. Step 4: Simplify right side
    2,293.86x = 4,111,716.63
  5. Step 5: Solve for x
    x = 4,111,716.63/2,293.86
  6. Step 6: Final answer
    x = 1,792.49

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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.