Home / 3,657.22-5,047.05-2,085.46

Finding the Fourth Proportional to 3,657.22, 5,047.05 and 2,085.46

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Solution

The fourth proportional to 3,657.22, 5,047.05 and 2,085.46 is: 2,877.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,657.22 : 5,047.05 = 2,085.46 : x
  2. Step 2: Convert to fraction form
    3,657.22/5,047.05 = 2,085.46/x
  3. Step 3: Cross multiply
    3,657.22x = 5,047.05 × 2,085.46
  4. Step 4: Simplify right side
    3,657.22x = 10,525,420.89
  5. Step 5: Solve for x
    x = 10,525,420.89/3,657.22
  6. Step 6: Final answer
    x = 2,877.98

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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.