Home / 2,686.43-3,707.26-1,491.41

Finding the Fourth Proportional to 2,686.43, 3,707.26 and 1,491.41

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Solution

The fourth proportional to 2,686.43, 3,707.26 and 1,491.41 is: 2,058.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686.43 : 3,707.26 = 1,491.41 : x
  2. Step 2: Convert to fraction form
    2,686.43/3,707.26 = 1,491.41/x
  3. Step 3: Cross multiply
    2,686.43x = 3,707.26 × 1,491.41
  4. Step 4: Simplify right side
    2,686.43x = 5,529,050.18
  5. Step 5: Solve for x
    x = 5,529,050.18/2,686.43
  6. Step 6: Final answer
    x = 2,058.14

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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.