Home / 2,025.84-2,795.64-1,229.20

Finding the Fourth Proportional to 2,025.84, 2,795.64 and 1,229.20

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Solution

The fourth proportional to 2,025.84, 2,795.64 and 1,229.20 is: 1,696.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,025.84 : 2,795.64 = 1,229.20 : x
  2. Step 2: Convert to fraction form
    2,025.84/2,795.64 = 1,229.20/x
  3. Step 3: Cross multiply
    2,025.84x = 2,795.64 × 1,229.20
  4. Step 4: Simplify right side
    2,025.84x = 3,436,400.69
  5. Step 5: Solve for x
    x = 3,436,400.69/2,025.84
  6. Step 6: Final answer
    x = 1,696.28

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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.