Home / 2,783.61-4,169.25-1,135.15

Finding the Fourth Proportional to 2,783.61, 4,169.25 and 1,135.15

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Solution

The fourth proportional to 2,783.61, 4,169.25 and 1,135.15 is: 1,700.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783.61 : 4,169.25 = 1,135.15 : x
  2. Step 2: Convert to fraction form
    2,783.61/4,169.25 = 1,135.15/x
  3. Step 3: Cross multiply
    2,783.61x = 4,169.25 × 1,135.15
  4. Step 4: Simplify right side
    2,783.61x = 4,732,713.71
  5. Step 5: Solve for x
    x = 4,732,713.71/2,783.61
  6. Step 6: Final answer
    x = 1,700.21

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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.