Home / 2,218.93-3,330.44-1,124.07

Finding the Fourth Proportional to 2,218.93, 3,330.44 and 1,124.07

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Solution

The fourth proportional to 2,218.93, 3,330.44 and 1,124.07 is: 1,687.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218.93 : 3,330.44 = 1,124.07 : x
  2. Step 2: Convert to fraction form
    2,218.93/3,330.44 = 1,124.07/x
  3. Step 3: Cross multiply
    2,218.93x = 3,330.44 × 1,124.07
  4. Step 4: Simplify right side
    2,218.93x = 3,743,647.69
  5. Step 5: Solve for x
    x = 3,743,647.69/2,218.93
  6. Step 6: Final answer
    x = 1,687.14

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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.