Home / 4,278.75-5,904.68-2,415.75

Finding the Fourth Proportional to 4,278.75, 5,904.68 and 2,415.75

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Solution

The fourth proportional to 4,278.75, 5,904.68 and 2,415.75 is: 3,333.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278.75 : 5,904.68 = 2,415.75 : x
  2. Step 2: Convert to fraction form
    4,278.75/5,904.68 = 2,415.75/x
  3. Step 3: Cross multiply
    4,278.75x = 5,904.68 × 2,415.75
  4. Step 4: Simplify right side
    4,278.75x = 14,264,230.71
  5. Step 5: Solve for x
    x = 14,264,230.71/4,278.75
  6. Step 6: Final answer
    x = 3,333.74

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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.