Home / 3,034.59-4,186.65-1,987.26

Finding the Fourth Proportional to 3,034.59, 4,186.65 and 1,987.26

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Solution

The fourth proportional to 3,034.59, 4,186.65 and 1,987.26 is: 2,741.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,034.59 : 4,186.65 = 1,987.26 : x
  2. Step 2: Convert to fraction form
    3,034.59/4,186.65 = 1,987.26/x
  3. Step 3: Cross multiply
    3,034.59x = 4,186.65 × 1,987.26
  4. Step 4: Simplify right side
    3,034.59x = 8,319,962.08
  5. Step 5: Solve for x
    x = 8,319,962.08/3,034.59
  6. Step 6: Final answer
    x = 2,741.71

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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.