Home / 3,083.84-4,626.80-1,353.60

Finding the Fourth Proportional to 3,083.84, 4,626.80 and 1,353.60

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Solution

The fourth proportional to 3,083.84, 4,626.80 and 1,353.60 is: 2,030.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,083.84 : 4,626.80 = 1,353.60 : x
  2. Step 2: Convert to fraction form
    3,083.84/4,626.80 = 1,353.60/x
  3. Step 3: Cross multiply
    3,083.84x = 4,626.80 × 1,353.60
  4. Step 4: Simplify right side
    3,083.84x = 6,262,836.48
  5. Step 5: Solve for x
    x = 6,262,836.48/3,083.84
  6. Step 6: Final answer
    x = 2,030.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.