Home / 3,216.04-4,426.90-2,801.32

Finding the Fourth Proportional to 3,216.04, 4,426.90 and 2,801.32

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Solution

The fourth proportional to 3,216.04, 4,426.90 and 2,801.32 is: 3,856.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.04 : 4,426.90 = 2,801.32 : x
  2. Step 2: Convert to fraction form
    3,216.04/4,426.90 = 2,801.32/x
  3. Step 3: Cross multiply
    3,216.04x = 4,426.90 × 2,801.32
  4. Step 4: Simplify right side
    3,216.04x = 12,401,163.51
  5. Step 5: Solve for x
    x = 12,401,163.51/3,216.04
  6. Step 6: Final answer
    x = 3,856.04

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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.