Home / 3,395.57-4,685.83-1,903.48

Finding the Fourth Proportional to 3,395.57, 4,685.83 and 1,903.48

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Solution

The fourth proportional to 3,395.57, 4,685.83 and 1,903.48 is: 2,626.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,395.57 : 4,685.83 = 1,903.48 : x
  2. Step 2: Convert to fraction form
    3,395.57/4,685.83 = 1,903.48/x
  3. Step 3: Cross multiply
    3,395.57x = 4,685.83 × 1,903.48
  4. Step 4: Simplify right side
    3,395.57x = 8,919,367.22
  5. Step 5: Solve for x
    x = 8,919,367.22/3,395.57
  6. Step 6: Final answer
    x = 2,626.77

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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.