Home / 2,115.01-3,173.18-1,885.48

Finding the Fourth Proportional to 2,115.01, 3,173.18 and 1,885.48

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Solution

The fourth proportional to 2,115.01, 3,173.18 and 1,885.48 is: 2,828.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115.01 : 3,173.18 = 1,885.48 : x
  2. Step 2: Convert to fraction form
    2,115.01/3,173.18 = 1,885.48/x
  3. Step 3: Cross multiply
    2,115.01x = 3,173.18 × 1,885.48
  4. Step 4: Simplify right side
    2,115.01x = 5,982,950.07
  5. Step 5: Solve for x
    x = 5,982,950.07/2,115.01
  6. Step 6: Final answer
    x = 2,828.80

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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.