Home / 2,362.40-3,545.26-1,905.68

Finding the Fourth Proportional to 2,362.40, 3,545.26 and 1,905.68

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Solution

The fourth proportional to 2,362.40, 3,545.26 and 1,905.68 is: 2,859.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,362.40 : 3,545.26 = 1,905.68 : x
  2. Step 2: Convert to fraction form
    2,362.40/3,545.26 = 1,905.68/x
  3. Step 3: Cross multiply
    2,362.40x = 3,545.26 × 1,905.68
  4. Step 4: Simplify right side
    2,362.40x = 6,756,131.08
  5. Step 5: Solve for x
    x = 6,756,131.08/2,362.40
  6. Step 6: Final answer
    x = 2,859.86

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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.