Home / 2,957.15-4,081.05-1,630.85

Finding the Fourth Proportional to 2,957.15, 4,081.05 and 1,630.85

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Solution

The fourth proportional to 2,957.15, 4,081.05 and 1,630.85 is: 2,250.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.15 : 4,081.05 = 1,630.85 : x
  2. Step 2: Convert to fraction form
    2,957.15/4,081.05 = 1,630.85/x
  3. Step 3: Cross multiply
    2,957.15x = 4,081.05 × 1,630.85
  4. Step 4: Simplify right side
    2,957.15x = 6,655,559.99
  5. Step 5: Solve for x
    x = 6,655,559.99/2,957.15
  6. Step 6: Final answer
    x = 2,250.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.