Home / 2,841.10-4,261.27-1,109.50

Finding the Fourth Proportional to 2,841.10, 4,261.27 and 1,109.50

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Solution

The fourth proportional to 2,841.10, 4,261.27 and 1,109.50 is: 1,664.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,841.10 : 4,261.27 = 1,109.50 : x
  2. Step 2: Convert to fraction form
    2,841.10/4,261.27 = 1,109.50/x
  3. Step 3: Cross multiply
    2,841.10x = 4,261.27 × 1,109.50
  4. Step 4: Simplify right side
    2,841.10x = 4,727,879.07
  5. Step 5: Solve for x
    x = 4,727,879.07/2,841.10
  6. Step 6: Final answer
    x = 1,664.10

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Double scale
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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.