Home / 3,162.34-4,739.43-1,515.46

Finding the Fourth Proportional to 3,162.34, 4,739.43 and 1,515.46

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Solution

The fourth proportional to 3,162.34, 4,739.43 and 1,515.46 is: 2,271.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.34 : 4,739.43 = 1,515.46 : x
  2. Step 2: Convert to fraction form
    3,162.34/4,739.43 = 1,515.46/x
  3. Step 3: Cross multiply
    3,162.34x = 4,739.43 × 1,515.46
  4. Step 4: Simplify right side
    3,162.34x = 7,182,416.59
  5. Step 5: Solve for x
    x = 7,182,416.59/3,162.34
  6. Step 6: Final answer
    x = 2,271.23

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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.