Home / 1,822.23-2,516.27-1,428.57

Finding the Fourth Proportional to 1,822.23, 2,516.27 and 1,428.57

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Solution

The fourth proportional to 1,822.23, 2,516.27 and 1,428.57 is: 1,972.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,822.23 : 2,516.27 = 1,428.57 : x
  2. Step 2: Convert to fraction form
    1,822.23/2,516.27 = 1,428.57/x
  3. Step 3: Cross multiply
    1,822.23x = 2,516.27 × 1,428.57
  4. Step 4: Simplify right side
    1,822.23x = 3,594,660.69
  5. Step 5: Solve for x
    x = 3,594,660.69/1,822.23
  6. Step 6: Final answer
    x = 1,972.67

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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.