Home / 3,364.40-5,045.88-1,054.64

Finding the Fourth Proportional to 3,364.40, 5,045.88 and 1,054.64

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Solution

The fourth proportional to 3,364.40, 5,045.88 and 1,054.64 is: 1,581.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,364.40 : 5,045.88 = 1,054.64 : x
  2. Step 2: Convert to fraction form
    3,364.40/5,045.88 = 1,054.64/x
  3. Step 3: Cross multiply
    3,364.40x = 5,045.88 × 1,054.64
  4. Step 4: Simplify right side
    3,364.40x = 5,321,586.88
  5. Step 5: Solve for x
    x = 5,321,586.88/3,364.40
  6. Step 6: Final answer
    x = 1,581.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.