Home / 3,482.82-4,803.61-2,420.57

Finding the Fourth Proportional to 3,482.82, 4,803.61 and 2,420.57

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Solution

The fourth proportional to 3,482.82, 4,803.61 and 2,420.57 is: 3,338.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,482.82 : 4,803.61 = 2,420.57 : x
  2. Step 2: Convert to fraction form
    3,482.82/4,803.61 = 2,420.57/x
  3. Step 3: Cross multiply
    3,482.82x = 4,803.61 × 2,420.57
  4. Step 4: Simplify right side
    3,482.82x = 11,627,480.22
  5. Step 5: Solve for x
    x = 11,627,480.22/3,482.82
  6. Step 6: Final answer
    x = 3,338.52

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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.