Home / 2,769.33-3,821.45-1,590.15

Finding the Fourth Proportional to 2,769.33, 3,821.45 and 1,590.15

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Solution

The fourth proportional to 2,769.33, 3,821.45 and 1,590.15 is: 2,194.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769.33 : 3,821.45 = 1,590.15 : x
  2. Step 2: Convert to fraction form
    2,769.33/3,821.45 = 1,590.15/x
  3. Step 3: Cross multiply
    2,769.33x = 3,821.45 × 1,590.15
  4. Step 4: Simplify right side
    2,769.33x = 6,076,670.77
  5. Step 5: Solve for x
    x = 6,076,670.77/2,769.33
  6. Step 6: Final answer
    x = 2,194.27

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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.