Home / 1,437.23-1,981.13-1,201.96

Finding the Fourth Proportional to 1,437.23, 1,981.13 and 1,201.96

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Solution

The fourth proportional to 1,437.23, 1,981.13 and 1,201.96 is: 1,656.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437.23 : 1,981.13 = 1,201.96 : x
  2. Step 2: Convert to fraction form
    1,437.23/1,981.13 = 1,201.96/x
  3. Step 3: Cross multiply
    1,437.23x = 1,981.13 × 1,201.96
  4. Step 4: Simplify right side
    1,437.23x = 2,381,239.01
  5. Step 5: Solve for x
    x = 2,381,239.01/1,437.23
  6. Step 6: Final answer
    x = 1,656.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.