Home / 2,545.65-3,819.74-1,230.51

Finding the Fourth Proportional to 2,545.65, 3,819.74 and 1,230.51

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Solution

The fourth proportional to 2,545.65, 3,819.74 and 1,230.51 is: 1,846.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545.65 : 3,819.74 = 1,230.51 : x
  2. Step 2: Convert to fraction form
    2,545.65/3,819.74 = 1,230.51/x
  3. Step 3: Cross multiply
    2,545.65x = 3,819.74 × 1,230.51
  4. Step 4: Simplify right side
    2,545.65x = 4,700,222.11
  5. Step 5: Solve for x
    x = 4,700,222.11/2,545.65
  6. Step 6: Final answer
    x = 1,846.37

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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.