Home / 3,378.17-4,661.77-1,886.08

Finding the Fourth Proportional to 3,378.17, 4,661.77 and 1,886.08

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Solution

The fourth proportional to 3,378.17, 4,661.77 and 1,886.08 is: 2,602.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378.17 : 4,661.77 = 1,886.08 : x
  2. Step 2: Convert to fraction form
    3,378.17/4,661.77 = 1,886.08/x
  3. Step 3: Cross multiply
    3,378.17x = 4,661.77 × 1,886.08
  4. Step 4: Simplify right side
    3,378.17x = 8,792,461.73
  5. Step 5: Solve for x
    x = 8,792,461.73/3,378.17
  6. Step 6: Final answer
    x = 2,602.73

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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.