Home / 3,168.30-4,752.74-828.27

Finding the Fourth Proportional to 3,168.30, 4,752.74 and 828.27

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Solution

The fourth proportional to 3,168.30, 4,752.74 and 828.27 is: 1,242.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.30 : 4,752.74 = 828.27 : x
  2. Step 2: Convert to fraction form
    3,168.30/4,752.74 = 828.27/x
  3. Step 3: Cross multiply
    3,168.30x = 4,752.74 × 828.27
  4. Step 4: Simplify right side
    3,168.30x = 3,936,547.19
  5. Step 5: Solve for x
    x = 3,936,547.19/3,168.30
  6. Step 6: Final answer
    x = 1,242.48

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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.