Home / 1,437.62-2,158.26-1,222.57

Finding the Fourth Proportional to 1,437.62, 2,158.26 and 1,222.57

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Solution

The fourth proportional to 1,437.62, 2,158.26 and 1,222.57 is: 1,835.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437.62 : 2,158.26 = 1,222.57 : x
  2. Step 2: Convert to fraction form
    1,437.62/2,158.26 = 1,222.57/x
  3. Step 3: Cross multiply
    1,437.62x = 2,158.26 × 1,222.57
  4. Step 4: Simplify right side
    1,437.62x = 2,638,623.93
  5. Step 5: Solve for x
    x = 2,638,623.93/1,437.62
  6. Step 6: Final answer
    x = 1,835.41

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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.