Home / 1,743.63-2,613.60-1,085.49

Finding the Fourth Proportional to 1,743.63, 2,613.60 and 1,085.49

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Solution

The fourth proportional to 1,743.63, 2,613.60 and 1,085.49 is: 1,627.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,743.63 : 2,613.60 = 1,085.49 : x
  2. Step 2: Convert to fraction form
    1,743.63/2,613.60 = 1,085.49/x
  3. Step 3: Cross multiply
    1,743.63x = 2,613.60 × 1,085.49
  4. Step 4: Simplify right side
    1,743.63x = 2,837,036.66
  5. Step 5: Solve for x
    x = 2,837,036.66/1,743.63
  6. Step 6: Final answer
    x = 1,627.09

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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.