Home / 3,110.68-4,289.10-2,323.32

Finding the Fourth Proportional to 3,110.68, 4,289.10 and 2,323.32

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Solution

The fourth proportional to 3,110.68, 4,289.10 and 2,323.32 is: 3,203.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.68 : 4,289.10 = 2,323.32 : x
  2. Step 2: Convert to fraction form
    3,110.68/4,289.10 = 2,323.32/x
  3. Step 3: Cross multiply
    3,110.68x = 4,289.10 × 2,323.32
  4. Step 4: Simplify right side
    3,110.68x = 9,964,951.81
  5. Step 5: Solve for x
    x = 9,964,951.81/3,110.68
  6. Step 6: Final answer
    x = 3,203.46

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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.