Home / 4,211.71-5,811.91-2,419.28

Finding the Fourth Proportional to 4,211.71, 5,811.91 and 2,419.28

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Solution

The fourth proportional to 4,211.71, 5,811.91 and 2,419.28 is: 3,338.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,211.71 : 5,811.91 = 2,419.28 : x
  2. Step 2: Convert to fraction form
    4,211.71/5,811.91 = 2,419.28/x
  3. Step 3: Cross multiply
    4,211.71x = 5,811.91 × 2,419.28
  4. Step 4: Simplify right side
    4,211.71x = 14,060,637.62
  5. Step 5: Solve for x
    x = 14,060,637.62/4,211.71
  6. Step 6: Final answer
    x = 3,338.46

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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.