Home / 1,953.44-2,922.48-1,890.08

Finding the Fourth Proportional to 1,953.44, 2,922.48 and 1,890.08

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Solution

The fourth proportional to 1,953.44, 2,922.48 and 1,890.08 is: 2,827.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,953.44 : 2,922.48 = 1,890.08 : x
  2. Step 2: Convert to fraction form
    1,953.44/2,922.48 = 1,890.08/x
  3. Step 3: Cross multiply
    1,953.44x = 2,922.48 × 1,890.08
  4. Step 4: Simplify right side
    1,953.44x = 5,523,721.00
  5. Step 5: Solve for x
    x = 5,523,721.00/1,953.44
  6. Step 6: Final answer
    x = 2,827.69

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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.