Home / 1,749.06-2,622.83-927.15

Finding the Fourth Proportional to 1,749.06, 2,622.83 and 927.15

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Solution

The fourth proportional to 1,749.06, 2,622.83 and 927.15 is: 1,390.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749.06 : 2,622.83 = 927.15 : x
  2. Step 2: Convert to fraction form
    1,749.06/2,622.83 = 927.15/x
  3. Step 3: Cross multiply
    1,749.06x = 2,622.83 × 927.15
  4. Step 4: Simplify right side
    1,749.06x = 2,431,742.36
  5. Step 5: Solve for x
    x = 2,431,742.36/1,749.06
  6. Step 6: Final answer
    x = 1,390.31

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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.