Home / 2,273.12-3,132.43-1,485.80

Finding the Fourth Proportional to 2,273.12, 3,132.43 and 1,485.80

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Solution

The fourth proportional to 2,273.12, 3,132.43 and 1,485.80 is: 2,047.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,273.12 : 3,132.43 = 1,485.80 : x
  2. Step 2: Convert to fraction form
    2,273.12/3,132.43 = 1,485.80/x
  3. Step 3: Cross multiply
    2,273.12x = 3,132.43 × 1,485.80
  4. Step 4: Simplify right side
    2,273.12x = 4,654,164.49
  5. Step 5: Solve for x
    x = 4,654,164.49/2,273.12
  6. Step 6: Final answer
    x = 2,047.48

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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.