Home / 3,586.60-5,372.34-1,640.44

Finding the Fourth Proportional to 3,586.60, 5,372.34 and 1,640.44

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Solution

The fourth proportional to 3,586.60, 5,372.34 and 1,640.44 is: 2,457.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586.60 : 5,372.34 = 1,640.44 : x
  2. Step 2: Convert to fraction form
    3,586.60/5,372.34 = 1,640.44/x
  3. Step 3: Cross multiply
    3,586.60x = 5,372.34 × 1,640.44
  4. Step 4: Simplify right side
    3,586.60x = 8,813,001.43
  5. Step 5: Solve for x
    x = 8,813,001.43/3,586.60
  6. Step 6: Final answer
    x = 2,457.20

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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.