Home / 2,761.28-3,812.64-1,700.51

Finding the Fourth Proportional to 2,761.28, 3,812.64 and 1,700.51

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Solution

The fourth proportional to 2,761.28, 3,812.64 and 1,700.51 is: 2,347.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761.28 : 3,812.64 = 1,700.51 : x
  2. Step 2: Convert to fraction form
    2,761.28/3,812.64 = 1,700.51/x
  3. Step 3: Cross multiply
    2,761.28x = 3,812.64 × 1,700.51
  4. Step 4: Simplify right side
    2,761.28x = 6,483,407.01
  5. Step 5: Solve for x
    x = 6,483,407.01/2,761.28
  6. Step 6: Final answer
    x = 2,347.97

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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.