Home / 2,288.90-3,157.08-2,212.76

Finding the Fourth Proportional to 2,288.90, 3,157.08 and 2,212.76

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Solution

The fourth proportional to 2,288.90, 3,157.08 and 2,212.76 is: 3,052.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288.90 : 3,157.08 = 2,212.76 : x
  2. Step 2: Convert to fraction form
    2,288.90/3,157.08 = 2,212.76/x
  3. Step 3: Cross multiply
    2,288.90x = 3,157.08 × 2,212.76
  4. Step 4: Simplify right side
    2,288.90x = 6,985,860.34
  5. Step 5: Solve for x
    x = 6,985,860.34/2,288.90
  6. Step 6: Final answer
    x = 3,052.06

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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.