Home / 1,773.15-2,450.31-1,330.28

Finding the Fourth Proportional to 1,773.15, 2,450.31 and 1,330.28

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Solution

The fourth proportional to 1,773.15, 2,450.31 and 1,330.28 is: 1,838.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,773.15 : 2,450.31 = 1,330.28 : x
  2. Step 2: Convert to fraction form
    1,773.15/2,450.31 = 1,330.28/x
  3. Step 3: Cross multiply
    1,773.15x = 2,450.31 × 1,330.28
  4. Step 4: Simplify right side
    1,773.15x = 3,259,586.14
  5. Step 5: Solve for x
    x = 3,259,586.14/1,773.15
  6. Step 6: Final answer
    x = 1,838.31

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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.