Home / 2,783.20-3,840.67-1,524.19

Finding the Fourth Proportional to 2,783.20, 3,840.67 and 1,524.19

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Solution

The fourth proportional to 2,783.20, 3,840.67 and 1,524.19 is: 2,103.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783.20 : 3,840.67 = 1,524.19 : x
  2. Step 2: Convert to fraction form
    2,783.20/3,840.67 = 1,524.19/x
  3. Step 3: Cross multiply
    2,783.20x = 3,840.67 × 1,524.19
  4. Step 4: Simplify right side
    2,783.20x = 5,853,910.81
  5. Step 5: Solve for x
    x = 5,853,910.81/2,783.20
  6. Step 6: Final answer
    x = 2,103.30

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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.