Home / 3,395.04-4,685.22-1,998.60

Finding the Fourth Proportional to 3,395.04, 4,685.22 and 1,998.60

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Solution

The fourth proportional to 3,395.04, 4,685.22 and 1,998.60 is: 2,758.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,395.04 : 4,685.22 = 1,998.60 : x
  2. Step 2: Convert to fraction form
    3,395.04/4,685.22 = 1,998.60/x
  3. Step 3: Cross multiply
    3,395.04x = 4,685.22 × 1,998.60
  4. Step 4: Simplify right side
    3,395.04x = 9,363,880.69
  5. Step 5: Solve for x
    x = 9,363,880.69/3,395.04
  6. Step 6: Final answer
    x = 2,758.11

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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.