Home / 3,539.84-4,881.20-2,213.19

Finding the Fourth Proportional to 3,539.84, 4,881.20 and 2,213.19

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Solution

The fourth proportional to 3,539.84, 4,881.20 and 2,213.19 is: 3,051.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.84 : 4,881.20 = 2,213.19 : x
  2. Step 2: Convert to fraction form
    3,539.84/4,881.20 = 2,213.19/x
  3. Step 3: Cross multiply
    3,539.84x = 4,881.20 × 2,213.19
  4. Step 4: Simplify right side
    3,539.84x = 10,803,011.96
  5. Step 5: Solve for x
    x = 10,803,011.96/3,539.84
  6. Step 6: Final answer
    x = 3,051.84

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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.