Home / 2,841.66-4,239.64-2,529.80

Finding the Fourth Proportional to 2,841.66, 4,239.64 and 2,529.80

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Solution

The fourth proportional to 2,841.66, 4,239.64 and 2,529.80 is: 3,774.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,841.66 : 4,239.64 = 2,529.80 : x
  2. Step 2: Convert to fraction form
    2,841.66/4,239.64 = 2,529.80/x
  3. Step 3: Cross multiply
    2,841.66x = 4,239.64 × 2,529.80
  4. Step 4: Simplify right side
    2,841.66x = 10,725,441.27
  5. Step 5: Solve for x
    x = 10,725,441.27/2,841.66
  6. Step 6: Final answer
    x = 3,774.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.