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Finding the Fourth Proportional to 3,059.07, 4,588.63 and 979.09

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Solution

The fourth proportional to 3,059.07, 4,588.63 and 979.09 is: 1,468.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,059.07 : 4,588.63 = 979.09 : x
  2. Step 2: Convert to fraction form
    3,059.07/4,588.63 = 979.09/x
  3. Step 3: Cross multiply
    3,059.07x = 4,588.63 × 979.09
  4. Step 4: Simplify right side
    3,059.07x = 4,492,699.15
  5. Step 5: Solve for x
    x = 4,492,699.15/3,059.07
  6. Step 6: Final answer
    x = 1,468.65

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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.