Home / 1,953.05-2,923.90-1,518.89

Finding the Fourth Proportional to 1,953.05, 2,923.90 and 1,518.89

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Solution

The fourth proportional to 1,953.05, 2,923.90 and 1,518.89 is: 2,273.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,953.05 : 2,923.90 = 1,518.89 : x
  2. Step 2: Convert to fraction form
    1,953.05/2,923.90 = 1,518.89/x
  3. Step 3: Cross multiply
    1,953.05x = 2,923.90 × 1,518.89
  4. Step 4: Simplify right side
    1,953.05x = 4,441,064.05
  5. Step 5: Solve for x
    x = 4,441,064.05/1,953.05
  6. Step 6: Final answer
    x = 2,273.92

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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.