Home / 3,127.98-4,314.06-2,008.92

Finding the Fourth Proportional to 3,127.98, 4,314.06 and 2,008.92

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Solution

The fourth proportional to 3,127.98, 4,314.06 and 2,008.92 is: 2,770.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.98 : 4,314.06 = 2,008.92 : x
  2. Step 2: Convert to fraction form
    3,127.98/4,314.06 = 2,008.92/x
  3. Step 3: Cross multiply
    3,127.98x = 4,314.06 × 2,008.92
  4. Step 4: Simplify right side
    3,127.98x = 8,666,601.42
  5. Step 5: Solve for x
    x = 8,666,601.42/3,127.98
  6. Step 6: Final answer
    x = 2,770.67

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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.