Home / 1,619.06-2,428.51-464.81

Finding the Fourth Proportional to 1,619.06, 2,428.51 and 464.81

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Solution

The fourth proportional to 1,619.06, 2,428.51 and 464.81 is: 697.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619.06 : 2,428.51 = 464.81 : x
  2. Step 2: Convert to fraction form
    1,619.06/2,428.51 = 464.81/x
  3. Step 3: Cross multiply
    1,619.06x = 2,428.51 × 464.81
  4. Step 4: Simplify right side
    1,619.06x = 1,128,795.73
  5. Step 5: Solve for x
    x = 1,128,795.73/1,619.06
  6. Step 6: Final answer
    x = 697.19

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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.