Home / 4,211.90-5,812.82-2,419.63

Finding the Fourth Proportional to 4,211.90, 5,812.82 and 2,419.63

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Solution

The fourth proportional to 4,211.90, 5,812.82 and 2,419.63 is: 3,339.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,211.90 : 5,812.82 = 2,419.63 : x
  2. Step 2: Convert to fraction form
    4,211.90/5,812.82 = 2,419.63/x
  3. Step 3: Cross multiply
    4,211.90x = 5,812.82 × 2,419.63
  4. Step 4: Simplify right side
    4,211.90x = 14,064,873.66
  5. Step 5: Solve for x
    x = 14,064,873.66/4,211.90
  6. Step 6: Final answer
    x = 3,339.32

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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.