Home / 2,285.44-3,149.26-1,577.50

Finding the Fourth Proportional to 2,285.44, 3,149.26 and 1,577.50

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Solution

The fourth proportional to 2,285.44, 3,149.26 and 1,577.50 is: 2,173.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285.44 : 3,149.26 = 1,577.50 : x
  2. Step 2: Convert to fraction form
    2,285.44/3,149.26 = 1,577.50/x
  3. Step 3: Cross multiply
    2,285.44x = 3,149.26 × 1,577.50
  4. Step 4: Simplify right side
    2,285.44x = 4,967,957.65
  5. Step 5: Solve for x
    x = 4,967,957.65/2,285.44
  6. Step 6: Final answer
    x = 2,173.74

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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.