Home / 3,539.09-4,881.87-2,213.45

Finding the Fourth Proportional to 3,539.09, 4,881.87 and 2,213.45

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Solution

The fourth proportional to 3,539.09, 4,881.87 and 2,213.45 is: 3,053.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.09 : 4,881.87 = 2,213.45 : x
  2. Step 2: Convert to fraction form
    3,539.09/4,881.87 = 2,213.45/x
  3. Step 3: Cross multiply
    3,539.09x = 4,881.87 × 2,213.45
  4. Step 4: Simplify right side
    3,539.09x = 10,805,782.78
  5. Step 5: Solve for x
    x = 10,805,782.78/3,539.09
  6. Step 6: Final answer
    x = 3,053.26

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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.