Home / 2,560.13-3,840.17-1,173.07

Finding the Fourth Proportional to 2,560.13, 3,840.17 and 1,173.07

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Solution

The fourth proportional to 2,560.13, 3,840.17 and 1,173.07 is: 1,759.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,560.13 : 3,840.17 = 1,173.07 : x
  2. Step 2: Convert to fraction form
    2,560.13/3,840.17 = 1,173.07/x
  3. Step 3: Cross multiply
    2,560.13x = 3,840.17 × 1,173.07
  4. Step 4: Simplify right side
    2,560.13x = 4,504,782.36
  5. Step 5: Solve for x
    x = 4,504,782.36/2,560.13
  6. Step 6: Final answer
    x = 1,759.59

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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.