Home / 3,012.45-4,515.94-1,164.80

Finding the Fourth Proportional to 3,012.45, 4,515.94 and 1,164.80

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Solution

The fourth proportional to 3,012.45, 4,515.94 and 1,164.80 is: 1,746.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012.45 : 4,515.94 = 1,164.80 : x
  2. Step 2: Convert to fraction form
    3,012.45/4,515.94 = 1,164.80/x
  3. Step 3: Cross multiply
    3,012.45x = 4,515.94 × 1,164.80
  4. Step 4: Simplify right side
    3,012.45x = 5,260,166.91
  5. Step 5: Solve for x
    x = 5,260,166.91/3,012.45
  6. Step 6: Final answer
    x = 1,746.14

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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.