Home / 1,840.34-2,539.82-1,054.64

Finding the Fourth Proportional to 1,840.34, 2,539.82 and 1,054.64

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Solution

The fourth proportional to 1,840.34, 2,539.82 and 1,054.64 is: 1,455.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840.34 : 2,539.82 = 1,054.64 : x
  2. Step 2: Convert to fraction form
    1,840.34/2,539.82 = 1,054.64/x
  3. Step 3: Cross multiply
    1,840.34x = 2,539.82 × 1,054.64
  4. Step 4: Simplify right side
    1,840.34x = 2,678,595.76
  5. Step 5: Solve for x
    x = 2,678,595.76/1,840.34
  6. Step 6: Final answer
    x = 1,455.49

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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.