Home / 3,162.63-4,741.91-1,315.02

Finding the Fourth Proportional to 3,162.63, 4,741.91 and 1,315.02

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Solution

The fourth proportional to 3,162.63, 4,741.91 and 1,315.02 is: 1,971.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.63 : 4,741.91 = 1,315.02 : x
  2. Step 2: Convert to fraction form
    3,162.63/4,741.91 = 1,315.02/x
  3. Step 3: Cross multiply
    3,162.63x = 4,741.91 × 1,315.02
  4. Step 4: Simplify right side
    3,162.63x = 6,235,706.49
  5. Step 5: Solve for x
    x = 6,235,706.49/3,162.63
  6. Step 6: Final answer
    x = 1,971.68

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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.