Home / 3,657.48-5,047.30-2,085.54

Finding the Fourth Proportional to 3,657.48, 5,047.30 and 2,085.54

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Solution

The fourth proportional to 3,657.48, 5,047.30 and 2,085.54 is: 2,878.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,657.48 : 5,047.30 = 2,085.54 : x
  2. Step 2: Convert to fraction form
    3,657.48/5,047.30 = 2,085.54/x
  3. Step 3: Cross multiply
    3,657.48x = 5,047.30 × 2,085.54
  4. Step 4: Simplify right side
    3,657.48x = 10,526,346.04
  5. Step 5: Solve for x
    x = 10,526,346.04/3,657.48
  6. Step 6: Final answer
    x = 2,878.03

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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.