Home / 2,888.30-4,311.56-2,537.99

Finding the Fourth Proportional to 2,888.30, 4,311.56 and 2,537.99

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Solution

The fourth proportional to 2,888.30, 4,311.56 and 2,537.99 is: 3,788.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888.30 : 4,311.56 = 2,537.99 : x
  2. Step 2: Convert to fraction form
    2,888.30/4,311.56 = 2,537.99/x
  3. Step 3: Cross multiply
    2,888.30x = 4,311.56 × 2,537.99
  4. Step 4: Simplify right side
    2,888.30x = 10,942,687.98
  5. Step 5: Solve for x
    x = 10,942,687.98/2,888.30
  6. Step 6: Final answer
    x = 3,788.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.