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Finding the Fourth Proportional to 2,843.64, 4,264.02 and 1,111.32

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Solution

The fourth proportional to 2,843.64, 4,264.02 and 1,111.32 is: 1,666.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,843.64 : 4,264.02 = 1,111.32 : x
  2. Step 2: Convert to fraction form
    2,843.64/4,264.02 = 1,111.32/x
  3. Step 3: Cross multiply
    2,843.64x = 4,264.02 × 1,111.32
  4. Step 4: Simplify right side
    2,843.64x = 4,738,690.71
  5. Step 5: Solve for x
    x = 4,738,690.71/2,843.64
  6. Step 6: Final answer
    x = 1,666.42

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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.