Home / 1,629.76-2,444.70-1,608.40

Finding the Fourth Proportional to 1,629.76, 2,444.70 and 1,608.40

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Solution

The fourth proportional to 1,629.76, 2,444.70 and 1,608.40 is: 2,412.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.76 : 2,444.70 = 1,608.40 : x
  2. Step 2: Convert to fraction form
    1,629.76/2,444.70 = 1,608.40/x
  3. Step 3: Cross multiply
    1,629.76x = 2,444.70 × 1,608.40
  4. Step 4: Simplify right side
    1,629.76x = 3,932,055.48
  5. Step 5: Solve for x
    x = 3,932,055.48/1,629.76
  6. Step 6: Final answer
    x = 2,412.66

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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.