Home / 1,841.24-2,540.96-1,211.08

Finding the Fourth Proportional to 1,841.24, 2,540.96 and 1,211.08

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Solution

The fourth proportional to 1,841.24, 2,540.96 and 1,211.08 is: 1,671.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,841.24 : 2,540.96 = 1,211.08 : x
  2. Step 2: Convert to fraction form
    1,841.24/2,540.96 = 1,211.08/x
  3. Step 3: Cross multiply
    1,841.24x = 2,540.96 × 1,211.08
  4. Step 4: Simplify right side
    1,841.24x = 3,077,305.84
  5. Step 5: Solve for x
    x = 3,077,305.84/1,841.24
  6. Step 6: Final answer
    x = 1,671.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.