Home / 1,841.23-2,762.33-1,115.47

Finding the Fourth Proportional to 1,841.23, 2,762.33 and 1,115.47

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Solution

The fourth proportional to 1,841.23, 2,762.33 and 1,115.47 is: 1,673.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,841.23 : 2,762.33 = 1,115.47 : x
  2. Step 2: Convert to fraction form
    1,841.23/2,762.33 = 1,115.47/x
  3. Step 3: Cross multiply
    1,841.23x = 2,762.33 × 1,115.47
  4. Step 4: Simplify right side
    1,841.23x = 3,081,296.25
  5. Step 5: Solve for x
    x = 3,081,296.25/1,841.23
  6. Step 6: Final answer
    x = 1,673.50

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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.