Home / 2,748.60-4,122.80-1,104.70

Finding the Fourth Proportional to 2,748.60, 4,122.80 and 1,104.70

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Solution

The fourth proportional to 2,748.60, 4,122.80 and 1,104.70 is: 1,657.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,748.60 : 4,122.80 = 1,104.70 : x
  2. Step 2: Convert to fraction form
    2,748.60/4,122.80 = 1,104.70/x
  3. Step 3: Cross multiply
    2,748.60x = 4,122.80 × 1,104.70
  4. Step 4: Simplify right side
    2,748.60x = 4,554,457.16
  5. Step 5: Solve for x
    x = 4,554,457.16/2,748.60
  6. Step 6: Final answer
    x = 1,657.01

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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.