Home / 2,281.93-3,420.61-1,968.30

Finding the Fourth Proportional to 2,281.93, 3,420.61 and 1,968.30

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Solution

The fourth proportional to 2,281.93, 3,420.61 and 1,968.30 is: 2,950.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281.93 : 3,420.61 = 1,968.30 : x
  2. Step 2: Convert to fraction form
    2,281.93/3,420.61 = 1,968.30/x
  3. Step 3: Cross multiply
    2,281.93x = 3,420.61 × 1,968.30
  4. Step 4: Simplify right side
    2,281.93x = 6,732,786.66
  5. Step 5: Solve for x
    x = 6,732,786.66/2,281.93
  6. Step 6: Final answer
    x = 2,950.48

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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.