Home / 2,937.99-4,405.21-1,378.34

Finding the Fourth Proportional to 2,937.99, 4,405.21 and 1,378.34

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Solution

The fourth proportional to 2,937.99, 4,405.21 and 1,378.34 is: 2,066.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,937.99 : 4,405.21 = 1,378.34 : x
  2. Step 2: Convert to fraction form
    2,937.99/4,405.21 = 1,378.34/x
  3. Step 3: Cross multiply
    2,937.99x = 4,405.21 × 1,378.34
  4. Step 4: Simplify right side
    2,937.99x = 6,071,855.13
  5. Step 5: Solve for x
    x = 6,071,855.13/2,937.99
  6. Step 6: Final answer
    x = 2,066.67

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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.