Home / 4,278.36-5,900.94-2,880.84

Finding the Fourth Proportional to 4,278.36, 5,900.94 and 2,880.84

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Solution

The fourth proportional to 4,278.36, 5,900.94 and 2,880.84 is: 3,973.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278.36 : 5,900.94 = 2,880.84 : x
  2. Step 2: Convert to fraction form
    4,278.36/5,900.94 = 2,880.84/x
  3. Step 3: Cross multiply
    4,278.36x = 5,900.94 × 2,880.84
  4. Step 4: Simplify right side
    4,278.36x = 16,999,663.99
  5. Step 5: Solve for x
    x = 16,999,663.99/4,278.36
  6. Step 6: Final answer
    x = 3,973.41

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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.