Home / 2,953.20-4,429.96-1,104.80

Finding the Fourth Proportional to 2,953.20, 4,429.96 and 1,104.80

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Solution

The fourth proportional to 2,953.20, 4,429.96 and 1,104.80 is: 1,657.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953.20 : 4,429.96 = 1,104.80 : x
  2. Step 2: Convert to fraction form
    2,953.20/4,429.96 = 1,104.80/x
  3. Step 3: Cross multiply
    2,953.20x = 4,429.96 × 1,104.80
  4. Step 4: Simplify right side
    2,953.20x = 4,894,219.81
  5. Step 5: Solve for x
    x = 4,894,219.81/2,953.20
  6. Step 6: Final answer
    x = 1,657.26

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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.