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Finding the Fourth Proportional to 3,514.56, 5,271.88 and 1,206

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Solution

The fourth proportional to 3,514.56, 5,271.88 and 1,206 is: 1,809.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,514.56 : 5,271.88 = 1,206 : x
  2. Step 2: Convert to fraction form
    3,514.56/5,271.88 = 1,206/x
  3. Step 3: Cross multiply
    3,514.56x = 5,271.88 × 1,206
  4. Step 4: Simplify right side
    3,514.56x = 6,357,887.28
  5. Step 5: Solve for x
    x = 6,357,887.28/3,514.56
  6. Step 6: Final answer
    x = 1,809.01

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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.