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Finding the Fourth Proportional to 2,052.01, 3,078.21 and 882.40

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Solution

The fourth proportional to 2,052.01, 3,078.21 and 882.40 is: 1,323.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,052.01 : 3,078.21 = 882.40 : x
  2. Step 2: Convert to fraction form
    2,052.01/3,078.21 = 882.40/x
  3. Step 3: Cross multiply
    2,052.01x = 3,078.21 × 882.40
  4. Step 4: Simplify right side
    2,052.01x = 2,716,212.50
  5. Step 5: Solve for x
    x = 2,716,212.50/2,052.01
  6. Step 6: Final answer
    x = 1,323.68

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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.