Home / 2,190.03-3,285.93-1,607.99

Finding the Fourth Proportional to 2,190.03, 3,285.93 and 1,607.99

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Solution

The fourth proportional to 2,190.03, 3,285.93 and 1,607.99 is: 2,412.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190.03 : 3,285.93 = 1,607.99 : x
  2. Step 2: Convert to fraction form
    2,190.03/3,285.93 = 1,607.99/x
  3. Step 3: Cross multiply
    2,190.03x = 3,285.93 × 1,607.99
  4. Step 4: Simplify right side
    2,190.03x = 5,283,742.58
  5. Step 5: Solve for x
    x = 5,283,742.58/2,190.03
  6. Step 6: Final answer
    x = 2,412.63

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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.