Home / 1,840.37-2,539.78-1,054.57

Finding the Fourth Proportional to 1,840.37, 2,539.78 and 1,054.57

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Solution

The fourth proportional to 1,840.37, 2,539.78 and 1,054.57 is: 1,455.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840.37 : 2,539.78 = 1,054.57 : x
  2. Step 2: Convert to fraction form
    1,840.37/2,539.78 = 1,054.57/x
  3. Step 3: Cross multiply
    1,840.37x = 2,539.78 × 1,054.57
  4. Step 4: Simplify right side
    1,840.37x = 2,678,374.54
  5. Step 5: Solve for x
    x = 2,678,374.54/1,840.37
  6. Step 6: Final answer
    x = 1,455.35

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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.