Home / 4,278.97-5,904.45-2,390.68

Finding the Fourth Proportional to 4,278.97, 5,904.45 and 2,390.68

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Solution

The fourth proportional to 4,278.97, 5,904.45 and 2,390.68 is: 3,298.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278.97 : 5,904.45 = 2,390.68 : x
  2. Step 2: Convert to fraction form
    4,278.97/5,904.45 = 2,390.68/x
  3. Step 3: Cross multiply
    4,278.97x = 5,904.45 × 2,390.68
  4. Step 4: Simplify right side
    4,278.97x = 14,115,650.53
  5. Step 5: Solve for x
    x = 14,115,650.53/4,278.97
  6. Step 6: Final answer
    x = 3,298.84

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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.