Home / 3,385.41-4,661.47-2,963.40

Finding the Fourth Proportional to 3,385.41, 4,661.47 and 2,963.40

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Solution

The fourth proportional to 3,385.41, 4,661.47 and 2,963.40 is: 4,080.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,385.41 : 4,661.47 = 2,963.40 : x
  2. Step 2: Convert to fraction form
    3,385.41/4,661.47 = 2,963.40/x
  3. Step 3: Cross multiply
    3,385.41x = 4,661.47 × 2,963.40
  4. Step 4: Simplify right side
    3,385.41x = 13,813,776.89
  5. Step 5: Solve for x
    x = 13,813,776.89/3,385.41
  6. Step 6: Final answer
    x = 4,080.39

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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.