Home / 4,211.88-5,811.59-2,639.07

Finding the Fourth Proportional to 4,211.88, 5,811.59 and 2,639.07

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Solution

The fourth proportional to 4,211.88, 5,811.59 and 2,639.07 is: 3,641.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,211.88 : 5,811.59 = 2,639.07 : x
  2. Step 2: Convert to fraction form
    4,211.88/5,811.59 = 2,639.07/x
  3. Step 3: Cross multiply
    4,211.88x = 5,811.59 × 2,639.07
  4. Step 4: Simplify right side
    4,211.88x = 15,337,179.63
  5. Step 5: Solve for x
    x = 15,337,179.63/4,211.88
  6. Step 6: Final answer
    x = 3,641.41

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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.