Home / 1,994.60-2,752.90-1,248.86

Finding the Fourth Proportional to 1,994.60, 2,752.90 and 1,248.86

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Solution

The fourth proportional to 1,994.60, 2,752.90 and 1,248.86 is: 1,723.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994.60 : 2,752.90 = 1,248.86 : x
  2. Step 2: Convert to fraction form
    1,994.60/2,752.90 = 1,248.86/x
  3. Step 3: Cross multiply
    1,994.60x = 2,752.90 × 1,248.86
  4. Step 4: Simplify right side
    1,994.60x = 3,437,986.69
  5. Step 5: Solve for x
    x = 3,437,986.69/1,994.60
  6. Step 6: Final answer
    x = 1,723.65

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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.