Home / 2,828.88-4,240.08-1,531.44

Finding the Fourth Proportional to 2,828.88, 4,240.08 and 1,531.44

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Solution

The fourth proportional to 2,828.88, 4,240.08 and 1,531.44 is: 2,295.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828.88 : 4,240.08 = 1,531.44 : x
  2. Step 2: Convert to fraction form
    2,828.88/4,240.08 = 1,531.44/x
  3. Step 3: Cross multiply
    2,828.88x = 4,240.08 × 1,531.44
  4. Step 4: Simplify right side
    2,828.88x = 6,493,428.12
  5. Step 5: Solve for x
    x = 6,493,428.12/2,828.88
  6. Step 6: Final answer
    x = 2,295.41

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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.