Home / 1,571.38-2,356.31-1,051.97

Finding the Fourth Proportional to 1,571.38, 2,356.31 and 1,051.97

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Solution

The fourth proportional to 1,571.38, 2,356.31 and 1,051.97 is: 1,577.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571.38 : 2,356.31 = 1,051.97 : x
  2. Step 2: Convert to fraction form
    1,571.38/2,356.31 = 1,051.97/x
  3. Step 3: Cross multiply
    1,571.38x = 2,356.31 × 1,051.97
  4. Step 4: Simplify right side
    1,571.38x = 2,478,767.43
  5. Step 5: Solve for x
    x = 2,478,767.43/1,571.38
  6. Step 6: Final answer
    x = 1,577.45

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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.