Home / 1,571.40-2,354.94-1,160.73

Finding the Fourth Proportional to 1,571.40, 2,354.94 and 1,160.73

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Solution

The fourth proportional to 1,571.40, 2,354.94 and 1,160.73 is: 1,739.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571.40 : 2,354.94 = 1,160.73 : x
  2. Step 2: Convert to fraction form
    1,571.40/2,354.94 = 1,160.73/x
  3. Step 3: Cross multiply
    1,571.40x = 2,354.94 × 1,160.73
  4. Step 4: Simplify right side
    1,571.40x = 2,733,449.51
  5. Step 5: Solve for x
    x = 2,733,449.51/1,571.40
  6. Step 6: Final answer
    x = 1,739.50

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1.5x scale

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.