Home / 3,378.84-4,661.73-2,331.51

Finding the Fourth Proportional to 3,378.84, 4,661.73 and 2,331.51

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Solution

The fourth proportional to 3,378.84, 4,661.73 and 2,331.51 is: 3,216.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378.84 : 4,661.73 = 2,331.51 : x
  2. Step 2: Convert to fraction form
    3,378.84/4,661.73 = 2,331.51/x
  3. Step 3: Cross multiply
    3,378.84x = 4,661.73 × 2,331.51
  4. Step 4: Simplify right side
    3,378.84x = 10,868,870.11
  5. Step 5: Solve for x
    x = 10,868,870.11/3,378.84
  6. Step 6: Final answer
    x = 3,216.75

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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.