Home / 1,650.40-2,274.96-1,300.48

Finding the Fourth Proportional to 1,650.40, 2,274.96 and 1,300.48

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Solution

The fourth proportional to 1,650.40, 2,274.96 and 1,300.48 is: 1,792.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,650.40 : 2,274.96 = 1,300.48 : x
  2. Step 2: Convert to fraction form
    1,650.40/2,274.96 = 1,300.48/x
  3. Step 3: Cross multiply
    1,650.40x = 2,274.96 × 1,300.48
  4. Step 4: Simplify right side
    1,650.40x = 2,958,539.98
  5. Step 5: Solve for x
    x = 2,958,539.98/1,650.40
  6. Step 6: Final answer
    x = 1,792.62

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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.