Home / 3,162.32-4,365.74-1,903.66

Finding the Fourth Proportional to 3,162.32, 4,365.74 and 1,903.66

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Solution

The fourth proportional to 3,162.32, 4,365.74 and 1,903.66 is: 2,628.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.32 : 4,365.74 = 1,903.66 : x
  2. Step 2: Convert to fraction form
    3,162.32/4,365.74 = 1,903.66/x
  3. Step 3: Cross multiply
    3,162.32x = 4,365.74 × 1,903.66
  4. Step 4: Simplify right side
    3,162.32x = 8,310,880.18
  5. Step 5: Solve for x
    x = 8,310,880.18/3,162.32
  6. Step 6: Final answer
    x = 2,628.09

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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.