Home / 1,480.06-2,043.39-983.13

Finding the Fourth Proportional to 1,480.06, 2,043.39 and 983.13

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Solution

The fourth proportional to 1,480.06, 2,043.39 and 983.13 is: 1,357.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480.06 : 2,043.39 = 983.13 : x
  2. Step 2: Convert to fraction form
    1,480.06/2,043.39 = 983.13/x
  3. Step 3: Cross multiply
    1,480.06x = 2,043.39 × 983.13
  4. Step 4: Simplify right side
    1,480.06x = 2,008,918.01
  5. Step 5: Solve for x
    x = 2,008,918.01/1,480.06
  6. Step 6: Final answer
    x = 1,357.32

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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.