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Finding the Fourth Proportional to 2,059.60, 2,841 and 1,666

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Solution

The fourth proportional to 2,059.60, 2,841 and 1,666 is: 2,298.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,059.60 : 2,841 = 1,666 : x
  2. Step 2: Convert to fraction form
    2,059.60/2,841 = 1,666/x
  3. Step 3: Cross multiply
    2,059.60x = 2,841 × 1,666
  4. Step 4: Simplify right side
    2,059.60x = 4,733,106
  5. Step 5: Solve for x
    x = 4,733,106/2,059.60
  6. Step 6: Final answer
    x = 2,298.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.