Home / 2,631.06-3,930.08-2,582.46

Finding the Fourth Proportional to 2,631.06, 3,930.08 and 2,582.46

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Solution

The fourth proportional to 2,631.06, 3,930.08 and 2,582.46 is: 3,857.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631.06 : 3,930.08 = 2,582.46 : x
  2. Step 2: Convert to fraction form
    2,631.06/3,930.08 = 2,582.46/x
  3. Step 3: Cross multiply
    2,631.06x = 3,930.08 × 2,582.46
  4. Step 4: Simplify right side
    2,631.06x = 10,149,261.48
  5. Step 5: Solve for x
    x = 10,149,261.48/2,631.06
  6. Step 6: Final answer
    x = 3,857.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.