Home / 1,906.60-2,631.14-1,348.04

Finding the Fourth Proportional to 1,906.60, 2,631.14 and 1,348.04

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Solution

The fourth proportional to 1,906.60, 2,631.14 and 1,348.04 is: 1,860.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906.60 : 2,631.14 = 1,348.04 : x
  2. Step 2: Convert to fraction form
    1,906.60/2,631.14 = 1,348.04/x
  3. Step 3: Cross multiply
    1,906.60x = 2,631.14 × 1,348.04
  4. Step 4: Simplify right side
    1,906.60x = 3,546,881.97
  5. Step 5: Solve for x
    x = 3,546,881.97/1,906.60
  6. Step 6: Final answer
    x = 1,860.32

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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.