Home / 1,571.84-2,355.06-1,434.68

Finding the Fourth Proportional to 1,571.84, 2,355.06 and 1,434.68

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Solution

The fourth proportional to 1,571.84, 2,355.06 and 1,434.68 is: 2,149.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571.84 : 2,355.06 = 1,434.68 : x
  2. Step 2: Convert to fraction form
    1,571.84/2,355.06 = 1,434.68/x
  3. Step 3: Cross multiply
    1,571.84x = 2,355.06 × 1,434.68
  4. Step 4: Simplify right side
    1,571.84x = 3,378,757.48
  5. Step 5: Solve for x
    x = 3,378,757.48/1,571.84
  6. Step 6: Final answer
    x = 2,149.56

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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.