Home / 1,914.46-2,637.99-1,539.94

Finding the Fourth Proportional to 1,914.46, 2,637.99 and 1,539.94

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Solution

The fourth proportional to 1,914.46, 2,637.99 and 1,539.94 is: 2,121.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914.46 : 2,637.99 = 1,539.94 : x
  2. Step 2: Convert to fraction form
    1,914.46/2,637.99 = 1,539.94/x
  3. Step 3: Cross multiply
    1,914.46x = 2,637.99 × 1,539.94
  4. Step 4: Simplify right side
    1,914.46x = 4,062,346.32
  5. Step 5: Solve for x
    x = 4,062,346.32/1,914.46
  6. Step 6: Final answer
    x = 2,121.93

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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.