Home / 3,395.39-4,685.61-1,903.32

Finding the Fourth Proportional to 3,395.39, 4,685.61 and 1,903.32

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Solution

The fourth proportional to 3,395.39, 4,685.61 and 1,903.32 is: 2,626.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,395.39 : 4,685.61 = 1,903.32 : x
  2. Step 2: Convert to fraction form
    3,395.39/4,685.61 = 1,903.32/x
  3. Step 3: Cross multiply
    3,395.39x = 4,685.61 × 1,903.32
  4. Step 4: Simplify right side
    3,395.39x = 8,918,208.09
  5. Step 5: Solve for x
    x = 8,918,208.09/3,395.39
  6. Step 6: Final answer
    x = 2,626.56

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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.