Home / 1,641.47-2,459.77-1,519.97

Finding the Fourth Proportional to 1,641.47, 2,459.77 and 1,519.97

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Solution

The fourth proportional to 1,641.47, 2,459.77 and 1,519.97 is: 2,277.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641.47 : 2,459.77 = 1,519.97 : x
  2. Step 2: Convert to fraction form
    1,641.47/2,459.77 = 1,519.97/x
  3. Step 3: Cross multiply
    1,641.47x = 2,459.77 × 1,519.97
  4. Step 4: Simplify right side
    1,641.47x = 3,738,760.51
  5. Step 5: Solve for x
    x = 3,738,760.51/1,641.47
  6. Step 6: Final answer
    x = 2,277.70

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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.