Home / 3,099.78-4,270.32-2,602.26

Finding the Fourth Proportional to 3,099.78, 4,270.32 and 2,602.26

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Solution

The fourth proportional to 3,099.78, 4,270.32 and 2,602.26 is: 3,584.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.78 : 4,270.32 = 2,602.26 : x
  2. Step 2: Convert to fraction form
    3,099.78/4,270.32 = 2,602.26/x
  3. Step 3: Cross multiply
    3,099.78x = 4,270.32 × 2,602.26
  4. Step 4: Simplify right side
    3,099.78x = 11,112,482.92
  5. Step 5: Solve for x
    x = 11,112,482.92/3,099.78
  6. Step 6: Final answer
    x = 3,584.93

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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.