Home / 2,660.51-3,986.37-1,617.35

Finding the Fourth Proportional to 2,660.51, 3,986.37 and 1,617.35

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Solution

The fourth proportional to 2,660.51, 3,986.37 and 1,617.35 is: 2,423.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660.51 : 3,986.37 = 1,617.35 : x
  2. Step 2: Convert to fraction form
    2,660.51/3,986.37 = 1,617.35/x
  3. Step 3: Cross multiply
    2,660.51x = 3,986.37 × 1,617.35
  4. Step 4: Simplify right side
    2,660.51x = 6,447,355.52
  5. Step 5: Solve for x
    x = 6,447,355.52/2,660.51
  6. Step 6: Final answer
    x = 2,423.35

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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.