Home / 3,378.15-4,661.94-1,886.01

Finding the Fourth Proportional to 3,378.15, 4,661.94 and 1,886.01

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Solution

The fourth proportional to 3,378.15, 4,661.94 and 1,886.01 is: 2,602.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378.15 : 4,661.94 = 1,886.01 : x
  2. Step 2: Convert to fraction form
    3,378.15/4,661.94 = 1,886.01/x
  3. Step 3: Cross multiply
    3,378.15x = 4,661.94 × 1,886.01
  4. Step 4: Simplify right side
    3,378.15x = 8,792,465.46
  5. Step 5: Solve for x
    x = 8,792,465.46/3,378.15
  6. Step 6: Final answer
    x = 2,602.75

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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.