Home / 3,362.56-4,636.16-2,118.40

Finding the Fourth Proportional to 3,362.56, 4,636.16 and 2,118.40

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Solution

The fourth proportional to 3,362.56, 4,636.16 and 2,118.40 is: 2,920.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,362.56 : 4,636.16 = 2,118.40 : x
  2. Step 2: Convert to fraction form
    3,362.56/4,636.16 = 2,118.40/x
  3. Step 3: Cross multiply
    3,362.56x = 4,636.16 × 2,118.40
  4. Step 4: Simplify right side
    3,362.56x = 9,821,241.34
  5. Step 5: Solve for x
    x = 9,821,241.34/3,362.56
  6. Step 6: Final answer
    x = 2,920.76

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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.