Home / 3,084.60-4,615.20-1,894.38

Finding the Fourth Proportional to 3,084.60, 4,615.20 and 1,894.38

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Solution

The fourth proportional to 3,084.60, 4,615.20 and 1,894.38 is: 2,834.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,084.60 : 4,615.20 = 1,894.38 : x
  2. Step 2: Convert to fraction form
    3,084.60/4,615.20 = 1,894.38/x
  3. Step 3: Cross multiply
    3,084.60x = 4,615.20 × 1,894.38
  4. Step 4: Simplify right side
    3,084.60x = 8,742,942.58
  5. Step 5: Solve for x
    x = 8,742,942.58/3,084.60
  6. Step 6: Final answer
    x = 2,834.38

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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.