Home / 1,840.62-2,539.98-1,054.56

Finding the Fourth Proportional to 1,840.62, 2,539.98 and 1,054.56

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Solution

The fourth proportional to 1,840.62, 2,539.98 and 1,054.56 is: 1,455.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840.62 : 2,539.98 = 1,054.56 : x
  2. Step 2: Convert to fraction form
    1,840.62/2,539.98 = 1,054.56/x
  3. Step 3: Cross multiply
    1,840.62x = 2,539.98 × 1,054.56
  4. Step 4: Simplify right side
    1,840.62x = 2,678,561.31
  5. Step 5: Solve for x
    x = 2,678,561.31/1,840.62
  6. Step 6: Final answer
    x = 1,455.25

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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.