Home / 2,968.29-4,455.11-1,582.78

Finding the Fourth Proportional to 2,968.29, 4,455.11 and 1,582.78

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Solution

The fourth proportional to 2,968.29, 4,455.11 and 1,582.78 is: 2,375.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,968.29 : 4,455.11 = 1,582.78 : x
  2. Step 2: Convert to fraction form
    2,968.29/4,455.11 = 1,582.78/x
  3. Step 3: Cross multiply
    2,968.29x = 4,455.11 × 1,582.78
  4. Step 4: Simplify right side
    2,968.29x = 7,051,459.01
  5. Step 5: Solve for x
    x = 7,051,459.01/2,968.29
  6. Step 6: Final answer
    x = 2,375.60

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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.