Home / 2,783.29-3,840.87-1,524.40

Finding the Fourth Proportional to 2,783.29, 3,840.87 and 1,524.40

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Solution

The fourth proportional to 2,783.29, 3,840.87 and 1,524.40 is: 2,103.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783.29 : 3,840.87 = 1,524.40 : x
  2. Step 2: Convert to fraction form
    2,783.29/3,840.87 = 1,524.40/x
  3. Step 3: Cross multiply
    2,783.29x = 3,840.87 × 1,524.40
  4. Step 4: Simplify right side
    2,783.29x = 5,854,995.40
  5. Step 5: Solve for x
    x = 5,854,995.40/2,783.29
  6. Step 6: Final answer
    x = 2,103.63

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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.