Home / 2,906.98-4,011.67-1,580.68

Finding the Fourth Proportional to 2,906.98, 4,011.67 and 1,580.68

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Solution

The fourth proportional to 2,906.98, 4,011.67 and 1,580.68 is: 2,181.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,906.98 : 4,011.67 = 1,580.68 : x
  2. Step 2: Convert to fraction form
    2,906.98/4,011.67 = 1,580.68/x
  3. Step 3: Cross multiply
    2,906.98x = 4,011.67 × 1,580.68
  4. Step 4: Simplify right side
    2,906.98x = 6,341,157.80
  5. Step 5: Solve for x
    x = 6,341,157.80/2,906.98
  6. Step 6: Final answer
    x = 2,181.36

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1.5x scale

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.