Home / 1,437.44-2,157.98-1,222.38

Finding the Fourth Proportional to 1,437.44, 2,157.98 and 1,222.38

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Solution

The fourth proportional to 1,437.44, 2,157.98 and 1,222.38 is: 1,835.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437.44 : 2,157.98 = 1,222.38 : x
  2. Step 2: Convert to fraction form
    1,437.44/2,157.98 = 1,222.38/x
  3. Step 3: Cross multiply
    1,437.44x = 2,157.98 × 1,222.38
  4. Step 4: Simplify right side
    1,437.44x = 2,637,865.48
  5. Step 5: Solve for x
    x = 2,637,865.48/1,437.44
  6. Step 6: Final answer
    x = 1,835.12

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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.