Home / 3,186.69-4,777.61-1,541.58

Finding the Fourth Proportional to 3,186.69, 4,777.61 and 1,541.58

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Solution

The fourth proportional to 3,186.69, 4,777.61 and 1,541.58 is: 2,311.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.69 : 4,777.61 = 1,541.58 : x
  2. Step 2: Convert to fraction form
    3,186.69/4,777.61 = 1,541.58/x
  3. Step 3: Cross multiply
    3,186.69x = 4,777.61 × 1,541.58
  4. Step 4: Simplify right side
    3,186.69x = 7,365,060.32
  5. Step 5: Solve for x
    x = 7,365,060.32/3,186.69
  6. Step 6: Final answer
    x = 2,311.19

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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.