Home / 1,780.24-2,671.44-1,550.92

Finding the Fourth Proportional to 1,780.24, 2,671.44 and 1,550.92

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Solution

The fourth proportional to 1,780.24, 2,671.44 and 1,550.92 is: 2,327.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780.24 : 2,671.44 = 1,550.92 : x
  2. Step 2: Convert to fraction form
    1,780.24/2,671.44 = 1,550.92/x
  3. Step 3: Cross multiply
    1,780.24x = 2,671.44 × 1,550.92
  4. Step 4: Simplify right side
    1,780.24x = 4,143,189.72
  5. Step 5: Solve for x
    x = 4,143,189.72/1,780.24
  6. Step 6: Final answer
    x = 2,327.32

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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.