Home / 2,324.08-3,206.62-1,428.29

Finding the Fourth Proportional to 2,324.08, 3,206.62 and 1,428.29

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Solution

The fourth proportional to 2,324.08, 3,206.62 and 1,428.29 is: 1,970.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,324.08 : 3,206.62 = 1,428.29 : x
  2. Step 2: Convert to fraction form
    2,324.08/3,206.62 = 1,428.29/x
  3. Step 3: Cross multiply
    2,324.08x = 3,206.62 × 1,428.29
  4. Step 4: Simplify right side
    2,324.08x = 4,579,983.28
  5. Step 5: Solve for x
    x = 4,579,983.28/2,324.08
  6. Step 6: Final answer
    x = 1,970.67

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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.