Home / 1,409.29-2,113.92-1,374.43

Finding the Fourth Proportional to 1,409.29, 2,113.92 and 1,374.43

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Solution

The fourth proportional to 1,409.29, 2,113.92 and 1,374.43 is: 2,061.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409.29 : 2,113.92 = 1,374.43 : x
  2. Step 2: Convert to fraction form
    1,409.29/2,113.92 = 1,374.43/x
  3. Step 3: Cross multiply
    1,409.29x = 2,113.92 × 1,374.43
  4. Step 4: Simplify right side
    1,409.29x = 2,905,435.07
  5. Step 5: Solve for x
    x = 2,905,435.07/1,409.29
  6. Step 6: Final answer
    x = 2,061.63

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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.