Home / 1,845.32-2,769.06-1,116.32

Finding the Fourth Proportional to 1,845.32, 2,769.06 and 1,116.32

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Solution

The fourth proportional to 1,845.32, 2,769.06 and 1,116.32 is: 1,675.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845.32 : 2,769.06 = 1,116.32 : x
  2. Step 2: Convert to fraction form
    1,845.32/2,769.06 = 1,116.32/x
  3. Step 3: Cross multiply
    1,845.32x = 2,769.06 × 1,116.32
  4. Step 4: Simplify right side
    1,845.32x = 3,091,157.06
  5. Step 5: Solve for x
    x = 3,091,157.06/1,845.32
  6. Step 6: Final answer
    x = 1,675.13

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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.