Home / 1,900.98-2,623.19-1,114.88

Finding the Fourth Proportional to 1,900.98, 2,623.19 and 1,114.88

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Solution

The fourth proportional to 1,900.98, 2,623.19 and 1,114.88 is: 1,538.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900.98 : 2,623.19 = 1,114.88 : x
  2. Step 2: Convert to fraction form
    1,900.98/2,623.19 = 1,114.88/x
  3. Step 3: Cross multiply
    1,900.98x = 2,623.19 × 1,114.88
  4. Step 4: Simplify right side
    1,900.98x = 2,924,523.38
  5. Step 5: Solve for x
    x = 2,924,523.38/1,900.98
  6. Step 6: Final answer
    x = 1,538.43

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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.