Home / 1,806.18-2,713.32-1,113.36

Finding the Fourth Proportional to 1,806.18, 2,713.32 and 1,113.36

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Solution

The fourth proportional to 1,806.18, 2,713.32 and 1,113.36 is: 1,672.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806.18 : 2,713.32 = 1,113.36 : x
  2. Step 2: Convert to fraction form
    1,806.18/2,713.32 = 1,113.36/x
  3. Step 3: Cross multiply
    1,806.18x = 2,713.32 × 1,113.36
  4. Step 4: Simplify right side
    1,806.18x = 3,020,901.96
  5. Step 5: Solve for x
    x = 3,020,901.96/1,806.18
  6. Step 6: Final answer
    x = 1,672.54

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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.