Home / 4,191.45-5,783.40-2,699.07

Finding the Fourth Proportional to 4,191.45, 5,783.40 and 2,699.07

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Solution

The fourth proportional to 4,191.45, 5,783.40 and 2,699.07 is: 3,724.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191.45 : 5,783.40 = 2,699.07 : x
  2. Step 2: Convert to fraction form
    4,191.45/5,783.40 = 2,699.07/x
  3. Step 3: Cross multiply
    4,191.45x = 5,783.40 × 2,699.07
  4. Step 4: Simplify right side
    4,191.45x = 15,609,801.44
  5. Step 5: Solve for x
    x = 15,609,801.44/4,191.45
  6. Step 6: Final answer
    x = 3,724.20

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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.