Home / 3,395.31-4,685.83-1,903.22

Finding the Fourth Proportional to 3,395.31, 4,685.83 and 1,903.22

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Solution

The fourth proportional to 3,395.31, 4,685.83 and 1,903.22 is: 2,626.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,395.31 : 4,685.83 = 1,903.22 : x
  2. Step 2: Convert to fraction form
    3,395.31/4,685.83 = 1,903.22/x
  3. Step 3: Cross multiply
    3,395.31x = 4,685.83 × 1,903.22
  4. Step 4: Simplify right side
    3,395.31x = 8,918,137.19
  5. Step 5: Solve for x
    x = 8,918,137.19/3,395.31
  6. Step 6: Final answer
    x = 2,626.60

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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.