Home / 3,862.09-5,329.29-2,370.07

Finding the Fourth Proportional to 3,862.09, 5,329.29 and 2,370.07

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Solution

The fourth proportional to 3,862.09, 5,329.29 and 2,370.07 is: 3,270.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862.09 : 5,329.29 = 2,370.07 : x
  2. Step 2: Convert to fraction form
    3,862.09/5,329.29 = 2,370.07/x
  3. Step 3: Cross multiply
    3,862.09x = 5,329.29 × 2,370.07
  4. Step 4: Simplify right side
    3,862.09x = 12,630,790.35
  5. Step 5: Solve for x
    x = 12,630,790.35/3,862.09
  6. Step 6: Final answer
    x = 3,270.45

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Why These Related Problems?

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