Home / 3,084.03-4,626.66-892.78

Finding the Fourth Proportional to 3,084.03, 4,626.66 and 892.78

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Solution

The fourth proportional to 3,084.03, 4,626.66 and 892.78 is: 1,339.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,084.03 : 4,626.66 = 892.78 : x
  2. Step 2: Convert to fraction form
    3,084.03/4,626.66 = 892.78/x
  3. Step 3: Cross multiply
    3,084.03x = 4,626.66 × 892.78
  4. Step 4: Simplify right side
    3,084.03x = 4,130,587.28
  5. Step 5: Solve for x
    x = 4,130,587.28/3,084.03
  6. Step 6: Final answer
    x = 1,339.35

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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.