Home / 4,278.94-5,904.88-2,390.55

Finding the Fourth Proportional to 4,278.94, 5,904.88 and 2,390.55

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Solution

The fourth proportional to 4,278.94, 5,904.88 and 2,390.55 is: 3,298.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278.94 : 5,904.88 = 2,390.55 : x
  2. Step 2: Convert to fraction form
    4,278.94/5,904.88 = 2,390.55/x
  3. Step 3: Cross multiply
    4,278.94x = 5,904.88 × 2,390.55
  4. Step 4: Simplify right side
    4,278.94x = 14,115,913.69
  5. Step 5: Solve for x
    x = 14,115,913.69/4,278.94
  6. Step 6: Final answer
    x = 3,298.93

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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.