Home / 3,344.40-4,615.74-2,784.06

Finding the Fourth Proportional to 3,344.40, 4,615.74 and 2,784.06

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Solution

The fourth proportional to 3,344.40, 4,615.74 and 2,784.06 is: 3,842.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,344.40 : 4,615.74 = 2,784.06 : x
  2. Step 2: Convert to fraction form
    3,344.40/4,615.74 = 2,784.06/x
  3. Step 3: Cross multiply
    3,344.40x = 4,615.74 × 2,784.06
  4. Step 4: Simplify right side
    3,344.40x = 12,850,497.10
  5. Step 5: Solve for x
    x = 12,850,497.10/3,344.40
  6. Step 6: Final answer
    x = 3,842.39

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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.