Home / 1,892.18-2,838.74-1,503.65

Finding the Fourth Proportional to 1,892.18, 2,838.74 and 1,503.65

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Solution

The fourth proportional to 1,892.18, 2,838.74 and 1,503.65 is: 2,255.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,892.18 : 2,838.74 = 1,503.65 : x
  2. Step 2: Convert to fraction form
    1,892.18/2,838.74 = 1,503.65/x
  3. Step 3: Cross multiply
    1,892.18x = 2,838.74 × 1,503.65
  4. Step 4: Simplify right side
    1,892.18x = 4,268,449.69
  5. Step 5: Solve for x
    x = 4,268,449.69/1,892.18
  6. Step 6: Final answer
    x = 2,255.84

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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.