Home / 1,647.46-2,273.16-984.07

Finding the Fourth Proportional to 1,647.46, 2,273.16 and 984.07

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Solution

The fourth proportional to 1,647.46, 2,273.16 and 984.07 is: 1,357.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,647.46 : 2,273.16 = 984.07 : x
  2. Step 2: Convert to fraction form
    1,647.46/2,273.16 = 984.07/x
  3. Step 3: Cross multiply
    1,647.46x = 2,273.16 × 984.07
  4. Step 4: Simplify right side
    1,647.46x = 2,236,948.56
  5. Step 5: Solve for x
    x = 2,236,948.56/1,647.46
  6. Step 6: Final answer
    x = 1,357.82

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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.