Home / 1,905.23-2,850.14-1,648.08

Finding the Fourth Proportional to 1,905.23, 2,850.14 and 1,648.08

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Solution

The fourth proportional to 1,905.23, 2,850.14 and 1,648.08 is: 2,465.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905.23 : 2,850.14 = 1,648.08 : x
  2. Step 2: Convert to fraction form
    1,905.23/2,850.14 = 1,648.08/x
  3. Step 3: Cross multiply
    1,905.23x = 2,850.14 × 1,648.08
  4. Step 4: Simplify right side
    1,905.23x = 4,697,258.73
  5. Step 5: Solve for x
    x = 4,697,258.73/1,905.23
  6. Step 6: Final answer
    x = 2,465.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.