Home / 3,315.10-4,972.65-1,006.60

Finding the Fourth Proportional to 3,315.10, 4,972.65 and 1,006.60

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Solution

The fourth proportional to 3,315.10, 4,972.65 and 1,006.60 is: 1,509.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.10 : 4,972.65 = 1,006.60 : x
  2. Step 2: Convert to fraction form
    3,315.10/4,972.65 = 1,006.60/x
  3. Step 3: Cross multiply
    3,315.10x = 4,972.65 × 1,006.60
  4. Step 4: Simplify right side
    3,315.10x = 5,005,469.49
  5. Step 5: Solve for x
    x = 5,005,469.49/3,315.10
  6. Step 6: Final answer
    x = 1,509.90

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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.