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Finding the Fourth Proportional to 2,701.93, 4,052.69 and 853.10

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Solution

The fourth proportional to 2,701.93, 4,052.69 and 853.10 is: 1,279.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,701.93 : 4,052.69 = 853.10 : x
  2. Step 2: Convert to fraction form
    2,701.93/4,052.69 = 853.10/x
  3. Step 3: Cross multiply
    2,701.93x = 4,052.69 × 853.10
  4. Step 4: Simplify right side
    2,701.93x = 3,457,345.57
  5. Step 5: Solve for x
    x = 3,457,345.57/2,701.93
  6. Step 6: Final answer
    x = 1,279.58

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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.