Home / 3,583.70-4,947.91-2,742.90

Finding the Fourth Proportional to 3,583.70, 4,947.91 and 2,742.90

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Solution

The fourth proportional to 3,583.70, 4,947.91 and 2,742.90 is: 3,787.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,583.70 : 4,947.91 = 2,742.90 : x
  2. Step 2: Convert to fraction form
    3,583.70/4,947.91 = 2,742.90/x
  3. Step 3: Cross multiply
    3,583.70x = 4,947.91 × 2,742.90
  4. Step 4: Simplify right side
    3,583.70x = 13,571,622.34
  5. Step 5: Solve for x
    x = 13,571,622.34/3,583.70
  6. Step 6: Final answer
    x = 3,787.04

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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.