Home / 2,238.11-3,089.81-1,715.03

Finding the Fourth Proportional to 2,238.11, 3,089.81 and 1,715.03

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Solution

The fourth proportional to 2,238.11, 3,089.81 and 1,715.03 is: 2,367.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238.11 : 3,089.81 = 1,715.03 : x
  2. Step 2: Convert to fraction form
    2,238.11/3,089.81 = 1,715.03/x
  3. Step 3: Cross multiply
    2,238.11x = 3,089.81 × 1,715.03
  4. Step 4: Simplify right side
    2,238.11x = 5,299,116.84
  5. Step 5: Solve for x
    x = 5,299,116.84/2,238.11
  6. Step 6: Final answer
    x = 2,367.67

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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.