Home / 2,824.89-4,239.93-1,439.22

Finding the Fourth Proportional to 2,824.89, 4,239.93 and 1,439.22

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Solution

The fourth proportional to 2,824.89, 4,239.93 and 1,439.22 is: 2,160.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,824.89 : 4,239.93 = 1,439.22 : x
  2. Step 2: Convert to fraction form
    2,824.89/4,239.93 = 1,439.22/x
  3. Step 3: Cross multiply
    2,824.89x = 4,239.93 × 1,439.22
  4. Step 4: Simplify right side
    2,824.89x = 6,102,192.05
  5. Step 5: Solve for x
    x = 6,102,192.05/2,824.89
  6. Step 6: Final answer
    x = 2,160.15

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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.