Home / 2,027.53-2,793.81-1,555.41

Finding the Fourth Proportional to 2,027.53, 2,793.81 and 1,555.41

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Solution

The fourth proportional to 2,027.53, 2,793.81 and 1,555.41 is: 2,143.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027.53 : 2,793.81 = 1,555.41 : x
  2. Step 2: Convert to fraction form
    2,027.53/2,793.81 = 1,555.41/x
  3. Step 3: Cross multiply
    2,027.53x = 2,793.81 × 1,555.41
  4. Step 4: Simplify right side
    2,027.53x = 4,345,520.01
  5. Step 5: Solve for x
    x = 4,345,520.01/2,027.53
  6. Step 6: Final answer
    x = 2,143.26

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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.