Home / 1,472.70-2,206.92-923.34

Finding the Fourth Proportional to 1,472.70, 2,206.92 and 923.34

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Solution

The fourth proportional to 1,472.70, 2,206.92 and 923.34 is: 1,383.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472.70 : 2,206.92 = 923.34 : x
  2. Step 2: Convert to fraction form
    1,472.70/2,206.92 = 923.34/x
  3. Step 3: Cross multiply
    1,472.70x = 2,206.92 × 923.34
  4. Step 4: Simplify right side
    1,472.70x = 2,037,737.51
  5. Step 5: Solve for x
    x = 2,037,737.51/1,472.70
  6. Step 6: Final answer
    x = 1,383.67

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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.