Home / 3,858.36-5,787.08-1,085.24

Finding the Fourth Proportional to 3,858.36, 5,787.08 and 1,085.24

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Solution

The fourth proportional to 3,858.36, 5,787.08 and 1,085.24 is: 1,627.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858.36 : 5,787.08 = 1,085.24 : x
  2. Step 2: Convert to fraction form
    3,858.36/5,787.08 = 1,085.24/x
  3. Step 3: Cross multiply
    3,858.36x = 5,787.08 × 1,085.24
  4. Step 4: Simplify right side
    3,858.36x = 6,280,370.70
  5. Step 5: Solve for x
    x = 6,280,370.70/3,858.36
  6. Step 6: Final answer
    x = 1,627.73

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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.