Home / 2,880.28-3,949.31-2,599.48

Finding the Fourth Proportional to 2,880.28, 3,949.31 and 2,599.48

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Solution

The fourth proportional to 2,880.28, 3,949.31 and 2,599.48 is: 3,564.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880.28 : 3,949.31 = 2,599.48 : x
  2. Step 2: Convert to fraction form
    2,880.28/3,949.31 = 2,599.48/x
  3. Step 3: Cross multiply
    2,880.28x = 3,949.31 × 2,599.48
  4. Step 4: Simplify right side
    2,880.28x = 10,266,152.36
  5. Step 5: Solve for x
    x = 10,266,152.36/2,880.28
  6. Step 6: Final answer
    x = 3,564.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.