Home / 1,579.50-2,358.32-1,394.82

Finding the Fourth Proportional to 1,579.50, 2,358.32 and 1,394.82

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Solution

The fourth proportional to 1,579.50, 2,358.32 and 1,394.82 is: 2,082.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579.50 : 2,358.32 = 1,394.82 : x
  2. Step 2: Convert to fraction form
    1,579.50/2,358.32 = 1,394.82/x
  3. Step 3: Cross multiply
    1,579.50x = 2,358.32 × 1,394.82
  4. Step 4: Simplify right side
    1,579.50x = 3,289,424.93
  5. Step 5: Solve for x
    x = 3,289,424.93/1,579.50
  6. Step 6: Final answer
    x = 2,082.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.