Home / 2,853.43-4,278.02-1,208.93

Finding the Fourth Proportional to 2,853.43, 4,278.02 and 1,208.93

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Solution

The fourth proportional to 2,853.43, 4,278.02 and 1,208.93 is: 1,812.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,853.43 : 4,278.02 = 1,208.93 : x
  2. Step 2: Convert to fraction form
    2,853.43/4,278.02 = 1,208.93/x
  3. Step 3: Cross multiply
    2,853.43x = 4,278.02 × 1,208.93
  4. Step 4: Simplify right side
    2,853.43x = 5,171,799.28
  5. Step 5: Solve for x
    x = 5,171,799.28/2,853.43
  6. Step 6: Final answer
    x = 1,812.49

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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.