Home / 3,234.12-4,851.30-1,386.12

Finding the Fourth Proportional to 3,234.12, 4,851.30 and 1,386.12

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Solution

The fourth proportional to 3,234.12, 4,851.30 and 1,386.12 is: 2,079.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,234.12 : 4,851.30 = 1,386.12 : x
  2. Step 2: Convert to fraction form
    3,234.12/4,851.30 = 1,386.12/x
  3. Step 3: Cross multiply
    3,234.12x = 4,851.30 × 1,386.12
  4. Step 4: Simplify right side
    3,234.12x = 6,724,483.96
  5. Step 5: Solve for x
    x = 6,724,483.96/3,234.12
  6. Step 6: Final answer
    x = 2,079.23

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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.