Home / 2,049.40-2,828.34-1,165.48

Finding the Fourth Proportional to 2,049.40, 2,828.34 and 1,165.48

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Solution

The fourth proportional to 2,049.40, 2,828.34 and 1,165.48 is: 1,608.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,049.40 : 2,828.34 = 1,165.48 : x
  2. Step 2: Convert to fraction form
    2,049.40/2,828.34 = 1,165.48/x
  3. Step 3: Cross multiply
    2,049.40x = 2,828.34 × 1,165.48
  4. Step 4: Simplify right side
    2,049.40x = 3,296,373.70
  5. Step 5: Solve for x
    x = 3,296,373.70/2,049.40
  6. Step 6: Final answer
    x = 1,608.46

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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.