Home / 1,490.86-2,228.20-1,374.14

Finding the Fourth Proportional to 1,490.86, 2,228.20 and 1,374.14

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Solution

The fourth proportional to 1,490.86, 2,228.20 and 1,374.14 is: 2,053.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490.86 : 2,228.20 = 1,374.14 : x
  2. Step 2: Convert to fraction form
    1,490.86/2,228.20 = 1,374.14/x
  3. Step 3: Cross multiply
    1,490.86x = 2,228.20 × 1,374.14
  4. Step 4: Simplify right side
    1,490.86x = 3,061,858.75
  5. Step 5: Solve for x
    x = 3,061,858.75/1,490.86
  6. Step 6: Final answer
    x = 2,053.75

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.