Home / 1,677.03-2,516.42-1,218.60

Finding the Fourth Proportional to 1,677.03, 2,516.42 and 1,218.60

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Solution

The fourth proportional to 1,677.03, 2,516.42 and 1,218.60 is: 1,828.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677.03 : 2,516.42 = 1,218.60 : x
  2. Step 2: Convert to fraction form
    1,677.03/2,516.42 = 1,218.60/x
  3. Step 3: Cross multiply
    1,677.03x = 2,516.42 × 1,218.60
  4. Step 4: Simplify right side
    1,677.03x = 3,066,509.41
  5. Step 5: Solve for x
    x = 3,066,509.41/1,677.03
  6. Step 6: Final answer
    x = 1,828.54

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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.