Home / 4,216.95-5,816.97-2,642.31

Finding the Fourth Proportional to 4,216.95, 5,816.97 and 2,642.31

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Solution

The fourth proportional to 4,216.95, 5,816.97 and 2,642.31 is: 3,644.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,216.95 : 5,816.97 = 2,642.31 : x
  2. Step 2: Convert to fraction form
    4,216.95/5,816.97 = 2,642.31/x
  3. Step 3: Cross multiply
    4,216.95x = 5,816.97 × 2,642.31
  4. Step 4: Simplify right side
    4,216.95x = 15,370,238.00
  5. Step 5: Solve for x
    x = 15,370,238.00/4,216.95
  6. Step 6: Final answer
    x = 3,644.87

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1.5x scale

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.