Home / 1,922.98-2,885.45-999.27

Finding the Fourth Proportional to 1,922.98, 2,885.45 and 999.27

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Solution

The fourth proportional to 1,922.98, 2,885.45 and 999.27 is: 1,499.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.98 : 2,885.45 = 999.27 : x
  2. Step 2: Convert to fraction form
    1,922.98/2,885.45 = 999.27/x
  3. Step 3: Cross multiply
    1,922.98x = 2,885.45 × 999.27
  4. Step 4: Simplify right side
    1,922.98x = 2,883,343.62
  5. Step 5: Solve for x
    x = 2,883,343.62/1,922.98
  6. Step 6: Final answer
    x = 1,499.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.