Home / 3,214.23-4,435.47-1,888.67

Finding the Fourth Proportional to 3,214.23, 4,435.47 and 1,888.67

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Solution

The fourth proportional to 3,214.23, 4,435.47 and 1,888.67 is: 2,606.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214.23 : 4,435.47 = 1,888.67 : x
  2. Step 2: Convert to fraction form
    3,214.23/4,435.47 = 1,888.67/x
  3. Step 3: Cross multiply
    3,214.23x = 4,435.47 × 1,888.67
  4. Step 4: Simplify right side
    3,214.23x = 8,377,116.95
  5. Step 5: Solve for x
    x = 8,377,116.95/3,214.23
  6. Step 6: Final answer
    x = 2,606.26

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