Home / 2,013.20-2,777.73-1,173.39

Finding the Fourth Proportional to 2,013.20, 2,777.73 and 1,173.39

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Solution

The fourth proportional to 2,013.20, 2,777.73 and 1,173.39 is: 1,619.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,013.20 : 2,777.73 = 1,173.39 : x
  2. Step 2: Convert to fraction form
    2,013.20/2,777.73 = 1,173.39/x
  3. Step 3: Cross multiply
    2,013.20x = 2,777.73 × 1,173.39
  4. Step 4: Simplify right side
    2,013.20x = 3,259,360.60
  5. Step 5: Solve for x
    x = 3,259,360.60/2,013.20
  6. Step 6: Final answer
    x = 1,619.00

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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.