Home / 1,899.23-2,620.94-1,152.99

Finding the Fourth Proportional to 1,899.23, 2,620.94 and 1,152.99

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Solution

The fourth proportional to 1,899.23, 2,620.94 and 1,152.99 is: 1,591.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899.23 : 2,620.94 = 1,152.99 : x
  2. Step 2: Convert to fraction form
    1,899.23/2,620.94 = 1,152.99/x
  3. Step 3: Cross multiply
    1,899.23x = 2,620.94 × 1,152.99
  4. Step 4: Simplify right side
    1,899.23x = 3,021,917.61
  5. Step 5: Solve for x
    x = 3,021,917.61/1,899.23
  6. Step 6: Final answer
    x = 1,591.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.