Home / 3,208.28-4,426.65-1,881.50

Finding the Fourth Proportional to 3,208.28, 4,426.65 and 1,881.50

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Solution

The fourth proportional to 3,208.28, 4,426.65 and 1,881.50 is: 2,596.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208.28 : 4,426.65 = 1,881.50 : x
  2. Step 2: Convert to fraction form
    3,208.28/4,426.65 = 1,881.50/x
  3. Step 3: Cross multiply
    3,208.28x = 4,426.65 × 1,881.50
  4. Step 4: Simplify right side
    3,208.28x = 8,328,719.84
  5. Step 5: Solve for x
    x = 8,328,719.84/3,208.28
  6. Step 6: Final answer
    x = 2,596.01

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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.