Home / 3,308.84-4,568.66-2,130.56

Finding the Fourth Proportional to 3,308.84, 4,568.66 and 2,130.56

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Solution

The fourth proportional to 3,308.84, 4,568.66 and 2,130.56 is: 2,941.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308.84 : 4,568.66 = 2,130.56 : x
  2. Step 2: Convert to fraction form
    3,308.84/4,568.66 = 2,130.56/x
  3. Step 3: Cross multiply
    3,308.84x = 4,568.66 × 2,130.56
  4. Step 4: Simplify right side
    3,308.84x = 9,733,804.25
  5. Step 5: Solve for x
    x = 9,733,804.25/3,308.84
  6. Step 6: Final answer
    x = 2,941.76

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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.