Home / 1,741.79-2,610.86-919.23

Finding the Fourth Proportional to 1,741.79, 2,610.86 and 919.23

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Solution

The fourth proportional to 1,741.79, 2,610.86 and 919.23 is: 1,377.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,741.79 : 2,610.86 = 919.23 : x
  2. Step 2: Convert to fraction form
    1,741.79/2,610.86 = 919.23/x
  3. Step 3: Cross multiply
    1,741.79x = 2,610.86 × 919.23
  4. Step 4: Simplify right side
    1,741.79x = 2,399,976.24
  5. Step 5: Solve for x
    x = 2,399,976.24/1,741.79
  6. Step 6: Final answer
    x = 1,377.88

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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.