Home / 3,216.50-4,822.40-2,173.91

Finding the Fourth Proportional to 3,216.50, 4,822.40 and 2,173.91

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Solution

The fourth proportional to 3,216.50, 4,822.40 and 2,173.91 is: 3,259.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.50 : 4,822.40 = 2,173.91 : x
  2. Step 2: Convert to fraction form
    3,216.50/4,822.40 = 2,173.91/x
  3. Step 3: Cross multiply
    3,216.50x = 4,822.40 × 2,173.91
  4. Step 4: Simplify right side
    3,216.50x = 10,483,463.58
  5. Step 5: Solve for x
    x = 10,483,463.58/3,216.50
  6. Step 6: Final answer
    x = 3,259.28

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1.5x scale

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.