Home / 1,840.32-2,539.76-1,054.49

Finding the Fourth Proportional to 1,840.32, 2,539.76 and 1,054.49

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Solution

The fourth proportional to 1,840.32, 2,539.76 and 1,054.49 is: 1,455.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840.32 : 2,539.76 = 1,054.49 : x
  2. Step 2: Convert to fraction form
    1,840.32/2,539.76 = 1,054.49/x
  3. Step 3: Cross multiply
    1,840.32x = 2,539.76 × 1,054.49
  4. Step 4: Simplify right side
    1,840.32x = 2,678,133.55
  5. Step 5: Solve for x
    x = 2,678,133.55/1,840.32
  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.