Home / 2,957.35-4,081.23-1,630.99

Finding the Fourth Proportional to 2,957.35, 4,081.23 and 1,630.99

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Solution

The fourth proportional to 2,957.35, 4,081.23 and 1,630.99 is: 2,250.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.35 : 4,081.23 = 1,630.99 : x
  2. Step 2: Convert to fraction form
    2,957.35/4,081.23 = 1,630.99/x
  3. Step 3: Cross multiply
    2,957.35x = 4,081.23 × 1,630.99
  4. Step 4: Simplify right side
    2,957.35x = 6,656,445.32
  5. Step 5: Solve for x
    x = 6,656,445.32/2,957.35
  6. Step 6: Final answer
    x = 2,250.81

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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.