Home / 3,657.24-5,047.08-2,085.36

Finding the Fourth Proportional to 3,657.24, 5,047.08 and 2,085.36

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Solution

The fourth proportional to 3,657.24, 5,047.08 and 2,085.36 is: 2,877.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,657.24 : 5,047.08 = 2,085.36 : x
  2. Step 2: Convert to fraction form
    3,657.24/5,047.08 = 2,085.36/x
  3. Step 3: Cross multiply
    3,657.24x = 5,047.08 × 2,085.36
  4. Step 4: Simplify right side
    3,657.24x = 10,524,978.75
  5. Step 5: Solve for x
    x = 10,524,978.75/3,657.24
  6. Step 6: Final answer
    x = 2,877.85

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1.5x scale

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.