Home / 1,849.48-2,552.78-1,220.46

Finding the Fourth Proportional to 1,849.48, 2,552.78 and 1,220.46

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Solution

The fourth proportional to 1,849.48, 2,552.78 and 1,220.46 is: 1,684.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,849.48 : 2,552.78 = 1,220.46 : x
  2. Step 2: Convert to fraction form
    1,849.48/2,552.78 = 1,220.46/x
  3. Step 3: Cross multiply
    1,849.48x = 2,552.78 × 1,220.46
  4. Step 4: Simplify right side
    1,849.48x = 3,115,565.88
  5. Step 5: Solve for x
    x = 3,115,565.88/1,849.48
  6. Step 6: Final answer
    x = 1,684.56

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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.