Home / 2,228.09-3,340.36-1,057.51

Finding the Fourth Proportional to 2,228.09, 3,340.36 and 1,057.51

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Solution

The fourth proportional to 2,228.09, 3,340.36 and 1,057.51 is: 1,585.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,228.09 : 3,340.36 = 1,057.51 : x
  2. Step 2: Convert to fraction form
    2,228.09/3,340.36 = 1,057.51/x
  3. Step 3: Cross multiply
    2,228.09x = 3,340.36 × 1,057.51
  4. Step 4: Simplify right side
    2,228.09x = 3,532,442.11
  5. Step 5: Solve for x
    x = 3,532,442.11/2,228.09
  6. Step 6: Final answer
    x = 1,585.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.