Home / 3,208.95-4,426.81-2,089.46

Finding the Fourth Proportional to 3,208.95, 4,426.81 and 2,089.46

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Solution

The fourth proportional to 3,208.95, 4,426.81 and 2,089.46 is: 2,882.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208.95 : 4,426.81 = 2,089.46 : x
  2. Step 2: Convert to fraction form
    3,208.95/4,426.81 = 2,089.46/x
  3. Step 3: Cross multiply
    3,208.95x = 4,426.81 × 2,089.46
  4. Step 4: Simplify right side
    3,208.95x = 9,249,648.27
  5. Step 5: Solve for x
    x = 9,249,648.27/3,208.95
  6. Step 6: Final answer
    x = 2,882.45

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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.