Home / 3,312.61-4,968.69-2,389.84

Finding the Fourth Proportional to 3,312.61, 4,968.69 and 2,389.84

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Solution

The fourth proportional to 3,312.61, 4,968.69 and 2,389.84 is: 3,584.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.61 : 4,968.69 = 2,389.84 : x
  2. Step 2: Convert to fraction form
    3,312.61/4,968.69 = 2,389.84/x
  3. Step 3: Cross multiply
    3,312.61x = 4,968.69 × 2,389.84
  4. Step 4: Simplify right side
    3,312.61x = 11,874,374.11
  5. Step 5: Solve for x
    x = 11,874,374.11/3,312.61
  6. Step 6: Final answer
    x = 3,584.60

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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.