Home / 2,828.30-4,245.05-1,442.63

Finding the Fourth Proportional to 2,828.30, 4,245.05 and 1,442.63

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Solution

The fourth proportional to 2,828.30, 4,245.05 and 1,442.63 is: 2,165.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828.30 : 4,245.05 = 1,442.63 : x
  2. Step 2: Convert to fraction form
    2,828.30/4,245.05 = 1,442.63/x
  3. Step 3: Cross multiply
    2,828.30x = 4,245.05 × 1,442.63
  4. Step 4: Simplify right side
    2,828.30x = 6,124,036.48
  5. Step 5: Solve for x
    x = 6,124,036.48/2,828.30
  6. Step 6: Final answer
    x = 2,165.27

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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.