Home / 3,091.16-4,635.56-1,116.32

Finding the Fourth Proportional to 3,091.16, 4,635.56 and 1,116.32

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Solution

The fourth proportional to 3,091.16, 4,635.56 and 1,116.32 is: 1,674.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.16 : 4,635.56 = 1,116.32 : x
  2. Step 2: Convert to fraction form
    3,091.16/4,635.56 = 1,116.32/x
  3. Step 3: Cross multiply
    3,091.16x = 4,635.56 × 1,116.32
  4. Step 4: Simplify right side
    3,091.16x = 5,174,747.95
  5. Step 5: Solve for x
    x = 5,174,747.95/3,091.16
  6. Step 6: Final answer
    x = 1,674.05

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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.