Home / 1,460.17-2,190.57-486.37

Finding the Fourth Proportional to 1,460.17, 2,190.57 and 486.37

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Solution

The fourth proportional to 1,460.17, 2,190.57 and 486.37 is: 729.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,460.17 : 2,190.57 = 486.37 : x
  2. Step 2: Convert to fraction form
    1,460.17/2,190.57 = 486.37/x
  3. Step 3: Cross multiply
    1,460.17x = 2,190.57 × 486.37
  4. Step 4: Simplify right side
    1,460.17x = 1,065,427.53
  5. Step 5: Solve for x
    x = 1,065,427.53/1,460.17
  6. Step 6: Final answer
    x = 729.66

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.