Home / 1,846.80-2,543.40-1,806.48

Finding the Fourth Proportional to 1,846.80, 2,543.40 and 1,806.48

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Solution

The fourth proportional to 1,846.80, 2,543.40 and 1,806.48 is: 2,487.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,846.80 : 2,543.40 = 1,806.48 : x
  2. Step 2: Convert to fraction form
    1,846.80/2,543.40 = 1,806.48/x
  3. Step 3: Cross multiply
    1,846.80x = 2,543.40 × 1,806.48
  4. Step 4: Simplify right side
    1,846.80x = 4,594,601.23
  5. Step 5: Solve for x
    x = 4,594,601.23/1,846.80
  6. Step 6: Final answer
    x = 2,487.87

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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.