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Finding the Fourth Proportional to 3,392.60, 4,681.08 and 1,994.60

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Solution

The fourth proportional to 3,392.60, 4,681.08 and 1,994.60 is: 2,752.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,392.60 : 4,681.08 = 1,994.60 : x
  2. Step 2: Convert to fraction form
    3,392.60/4,681.08 = 1,994.60/x
  3. Step 3: Cross multiply
    3,392.60x = 4,681.08 × 1,994.60
  4. Step 4: Simplify right side
    3,392.60x = 9,336,882.17
  5. Step 5: Solve for x
    x = 9,336,882.17/3,392.60
  6. Step 6: Final answer
    x = 2,752.13

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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.