Home / 3,390.81-4,677.44-2,384.06

Finding the Fourth Proportional to 3,390.81, 4,677.44 and 2,384.06

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Solution

The fourth proportional to 3,390.81, 4,677.44 and 2,384.06 is: 3,288.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390.81 : 4,677.44 = 2,384.06 : x
  2. Step 2: Convert to fraction form
    3,390.81/4,677.44 = 2,384.06/x
  3. Step 3: Cross multiply
    3,390.81x = 4,677.44 × 2,384.06
  4. Step 4: Simplify right side
    3,390.81x = 11,151,262.30
  5. Step 5: Solve for x
    x = 11,151,262.30/3,390.81
  6. Step 6: Final answer
    x = 3,288.67

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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.