Home / 1,480.37-2,042.68-983.73

Finding the Fourth Proportional to 1,480.37, 2,042.68 and 983.73

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Solution

The fourth proportional to 1,480.37, 2,042.68 and 983.73 is: 1,357.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480.37 : 2,042.68 = 983.73 : x
  2. Step 2: Convert to fraction form
    1,480.37/2,042.68 = 983.73/x
  3. Step 3: Cross multiply
    1,480.37x = 2,042.68 × 983.73
  4. Step 4: Simplify right side
    1,480.37x = 2,009,452.64
  5. Step 5: Solve for x
    x = 2,009,452.64/1,480.37
  6. Step 6: Final answer
    x = 1,357.40

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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.