Home / 1,571.70-2,356.65-1,394.04

Finding the Fourth Proportional to 1,571.70, 2,356.65 and 1,394.04

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Solution

The fourth proportional to 1,571.70, 2,356.65 and 1,394.04 is: 2,090.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571.70 : 2,356.65 = 1,394.04 : x
  2. Step 2: Convert to fraction form
    1,571.70/2,356.65 = 1,394.04/x
  3. Step 3: Cross multiply
    1,571.70x = 2,356.65 × 1,394.04
  4. Step 4: Simplify right side
    1,571.70x = 3,285,264.37
  5. Step 5: Solve for x
    x = 3,285,264.37/1,571.70
  6. Step 6: Final answer
    x = 2,090.26

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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.