Home / 3,168.53-4,752.99-1,220.74

Finding the Fourth Proportional to 3,168.53, 4,752.99 and 1,220.74

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Solution

The fourth proportional to 3,168.53, 4,752.99 and 1,220.74 is: 1,831.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.53 : 4,752.99 = 1,220.74 : x
  2. Step 2: Convert to fraction form
    3,168.53/4,752.99 = 1,220.74/x
  3. Step 3: Cross multiply
    3,168.53x = 4,752.99 × 1,220.74
  4. Step 4: Simplify right side
    3,168.53x = 5,802,165.01
  5. Step 5: Solve for x
    x = 5,802,165.01/3,168.53
  6. Step 6: Final answer
    x = 1,831.19

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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.