Home / 2,983.51-4,475.78-1,229.47

Finding the Fourth Proportional to 2,983.51, 4,475.78 and 1,229.47

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Solution

The fourth proportional to 2,983.51, 4,475.78 and 1,229.47 is: 1,844.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983.51 : 4,475.78 = 1,229.47 : x
  2. Step 2: Convert to fraction form
    2,983.51/4,475.78 = 1,229.47/x
  3. Step 3: Cross multiply
    2,983.51x = 4,475.78 × 1,229.47
  4. Step 4: Simplify right side
    2,983.51x = 5,502,824.51
  5. Step 5: Solve for x
    x = 5,502,824.51/2,983.51
  6. Step 6: Final answer
    x = 1,844.41

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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.