Home / 3,036.56-4,555.11-1,187.81

Finding the Fourth Proportional to 3,036.56, 4,555.11 and 1,187.81

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Solution

The fourth proportional to 3,036.56, 4,555.11 and 1,187.81 is: 1,781.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036.56 : 4,555.11 = 1,187.81 : x
  2. Step 2: Convert to fraction form
    3,036.56/4,555.11 = 1,187.81/x
  3. Step 3: Cross multiply
    3,036.56x = 4,555.11 × 1,187.81
  4. Step 4: Simplify right side
    3,036.56x = 5,410,605.21
  5. Step 5: Solve for x
    x = 5,410,605.21/3,036.56
  6. Step 6: Final answer
    x = 1,781.82

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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.