Home / 1,314.06-1,811.79-1,064.46

Finding the Fourth Proportional to 1,314.06, 1,811.79 and 1,064.46

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Solution

The fourth proportional to 1,314.06, 1,811.79 and 1,064.46 is: 1,467.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314.06 : 1,811.79 = 1,064.46 : x
  2. Step 2: Convert to fraction form
    1,314.06/1,811.79 = 1,064.46/x
  3. Step 3: Cross multiply
    1,314.06x = 1,811.79 × 1,064.46
  4. Step 4: Simplify right side
    1,314.06x = 1,928,577.98
  5. Step 5: Solve for x
    x = 1,928,577.98/1,314.06
  6. Step 6: Final answer
    x = 1,467.65

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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.