Home / 3,364.40-4,643.16-1,967.60

Finding the Fourth Proportional to 3,364.40, 4,643.16 and 1,967.60

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Solution

The fourth proportional to 3,364.40, 4,643.16 and 1,967.60 is: 2,715.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,364.40 : 4,643.16 = 1,967.60 : x
  2. Step 2: Convert to fraction form
    3,364.40/4,643.16 = 1,967.60/x
  3. Step 3: Cross multiply
    3,364.40x = 4,643.16 × 1,967.60
  4. Step 4: Simplify right side
    3,364.40x = 9,135,881.62
  5. Step 5: Solve for x
    x = 9,135,881.62/3,364.40
  6. Step 6: Final answer
    x = 2,715.46

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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.