Home / 1,436.26-2,154.40-1,374.30

Finding the Fourth Proportional to 1,436.26, 2,154.40 and 1,374.30

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Solution

The fourth proportional to 1,436.26, 2,154.40 and 1,374.30 is: 2,061.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436.26 : 2,154.40 = 1,374.30 : x
  2. Step 2: Convert to fraction form
    1,436.26/2,154.40 = 1,374.30/x
  3. Step 3: Cross multiply
    1,436.26x = 2,154.40 × 1,374.30
  4. Step 4: Simplify right side
    1,436.26x = 2,960,791.92
  5. Step 5: Solve for x
    x = 2,960,791.92/1,436.26
  6. Step 6: Final answer
    x = 2,061.46

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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.