Home / 3,099.70-4,670.85-2,563.88

Finding the Fourth Proportional to 3,099.70, 4,670.85 and 2,563.88

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Solution

The fourth proportional to 3,099.70, 4,670.85 and 2,563.88 is: 3,863.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.70 : 4,670.85 = 2,563.88 : x
  2. Step 2: Convert to fraction form
    3,099.70/4,670.85 = 2,563.88/x
  3. Step 3: Cross multiply
    3,099.70x = 4,670.85 × 2,563.88
  4. Step 4: Simplify right side
    3,099.70x = 11,975,507.83
  5. Step 5: Solve for x
    x = 11,975,507.83/3,099.70
  6. Step 6: Final answer
    x = 3,863.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.