Home / 4,089.40-5,641.49-2,409.66

Finding the Fourth Proportional to 4,089.40, 5,641.49 and 2,409.66

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Solution

The fourth proportional to 4,089.40, 5,641.49 and 2,409.66 is: 3,324.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,089.40 : 5,641.49 = 2,409.66 : x
  2. Step 2: Convert to fraction form
    4,089.40/5,641.49 = 2,409.66/x
  3. Step 3: Cross multiply
    4,089.40x = 5,641.49 × 2,409.66
  4. Step 4: Simplify right side
    4,089.40x = 13,594,060.75
  5. Step 5: Solve for x
    x = 13,594,060.75/4,089.40
  6. Step 6: Final answer
    x = 3,324.22

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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.