Home / 2,182.48-3,010.08-1,385.44

Finding the Fourth Proportional to 2,182.48, 3,010.08 and 1,385.44

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Solution

The fourth proportional to 2,182.48, 3,010.08 and 1,385.44 is: 1,910.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182.48 : 3,010.08 = 1,385.44 : x
  2. Step 2: Convert to fraction form
    2,182.48/3,010.08 = 1,385.44/x
  3. Step 3: Cross multiply
    2,182.48x = 3,010.08 × 1,385.44
  4. Step 4: Simplify right side
    2,182.48x = 4,170,285.24
  5. Step 5: Solve for x
    x = 4,170,285.24/2,182.48
  6. Step 6: Final answer
    x = 1,910.80

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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.