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Finding the Fourth Proportional to 2,837.54, 4,256.04 and 988.34

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Solution

The fourth proportional to 2,837.54, 4,256.04 and 988.34 is: 1,482.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,837.54 : 4,256.04 = 988.34 : x
  2. Step 2: Convert to fraction form
    2,837.54/4,256.04 = 988.34/x
  3. Step 3: Cross multiply
    2,837.54x = 4,256.04 × 988.34
  4. Step 4: Simplify right side
    2,837.54x = 4,206,414.57
  5. Step 5: Solve for x
    x = 4,206,414.57/2,837.54
  6. Step 6: Final answer
    x = 1,482.42

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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.