Home / 3,499.78-4,829.04-2,173.81

Finding the Fourth Proportional to 3,499.78, 4,829.04 and 2,173.81

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Solution

The fourth proportional to 3,499.78, 4,829.04 and 2,173.81 is: 2,999.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,499.78 : 4,829.04 = 2,173.81 : x
  2. Step 2: Convert to fraction form
    3,499.78/4,829.04 = 2,173.81/x
  3. Step 3: Cross multiply
    3,499.78x = 4,829.04 × 2,173.81
  4. Step 4: Simplify right side
    3,499.78x = 10,497,415.44
  5. Step 5: Solve for x
    x = 10,497,415.44/3,499.78
  6. Step 6: Final answer
    x = 2,999.45

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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.