Home / 4,278.57-5,904.44-2,390.15

Finding the Fourth Proportional to 4,278.57, 5,904.44 and 2,390.15

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Solution

The fourth proportional to 4,278.57, 5,904.44 and 2,390.15 is: 3,298.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278.57 : 5,904.44 = 2,390.15 : x
  2. Step 2: Convert to fraction form
    4,278.57/5,904.44 = 2,390.15/x
  3. Step 3: Cross multiply
    4,278.57x = 5,904.44 × 2,390.15
  4. Step 4: Simplify right side
    4,278.57x = 14,112,512.03
  5. Step 5: Solve for x
    x = 14,112,512.03/4,278.57
  6. Step 6: Final answer
    x = 3,298.42

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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.