Home / 1,490.27-2,237.90-1,334.34

Finding the Fourth Proportional to 1,490.27, 2,237.90 and 1,334.34

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Solution

The fourth proportional to 1,490.27, 2,237.90 and 1,334.34 is: 2,003.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490.27 : 2,237.90 = 1,334.34 : x
  2. Step 2: Convert to fraction form
    1,490.27/2,237.90 = 1,334.34/x
  3. Step 3: Cross multiply
    1,490.27x = 2,237.90 × 1,334.34
  4. Step 4: Simplify right side
    1,490.27x = 2,986,112.81
  5. Step 5: Solve for x
    x = 2,986,112.81/1,490.27
  6. Step 6: Final answer
    x = 2,003.75

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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.