Home / 3,534.94-4,878.30-2,208.70

Finding the Fourth Proportional to 3,534.94, 4,878.30 and 2,208.70

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Solution

The fourth proportional to 3,534.94, 4,878.30 and 2,208.70 is: 3,048.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,534.94 : 4,878.30 = 2,208.70 : x
  2. Step 2: Convert to fraction form
    3,534.94/4,878.30 = 2,208.70/x
  3. Step 3: Cross multiply
    3,534.94x = 4,878.30 × 2,208.70
  4. Step 4: Simplify right side
    3,534.94x = 10,774,701.21
  5. Step 5: Solve for x
    x = 10,774,701.21/3,534.94
  6. Step 6: Final answer
    x = 3,048.06

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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.