Home / 1,845.40-2,770.70-1,479.04

Finding the Fourth Proportional to 1,845.40, 2,770.70 and 1,479.04

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Solution

The fourth proportional to 1,845.40, 2,770.70 and 1,479.04 is: 2,220.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845.40 : 2,770.70 = 1,479.04 : x
  2. Step 2: Convert to fraction form
    1,845.40/2,770.70 = 1,479.04/x
  3. Step 3: Cross multiply
    1,845.40x = 2,770.70 × 1,479.04
  4. Step 4: Simplify right side
    1,845.40x = 4,097,976.13
  5. Step 5: Solve for x
    x = 4,097,976.13/1,845.40
  6. Step 6: Final answer
    x = 2,220.64

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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.