Home / 3,652.13-5,475.45-1,185.47

Finding the Fourth Proportional to 3,652.13, 5,475.45 and 1,185.47

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Solution

The fourth proportional to 3,652.13, 5,475.45 and 1,185.47 is: 1,777.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,652.13 : 5,475.45 = 1,185.47 : x
  2. Step 2: Convert to fraction form
    3,652.13/5,475.45 = 1,185.47/x
  3. Step 3: Cross multiply
    3,652.13x = 5,475.45 × 1,185.47
  4. Step 4: Simplify right side
    3,652.13x = 6,490,999.85
  5. Step 5: Solve for x
    x = 6,490,999.85/3,652.13
  6. Step 6: Final answer
    x = 1,777.32

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1.5x scale

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.