Home / 2,986.27-4,480.14-1,038.49

Finding the Fourth Proportional to 2,986.27, 4,480.14 and 1,038.49

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Solution

The fourth proportional to 2,986.27, 4,480.14 and 1,038.49 is: 1,557.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986.27 : 4,480.14 = 1,038.49 : x
  2. Step 2: Convert to fraction form
    2,986.27/4,480.14 = 1,038.49/x
  3. Step 3: Cross multiply
    2,986.27x = 4,480.14 × 1,038.49
  4. Step 4: Simplify right side
    2,986.27x = 4,652,558.19
  5. Step 5: Solve for x
    x = 4,652,558.19/2,986.27
  6. Step 6: Final answer
    x = 1,557.99

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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.