Home / 3,486.69-4,805.46-2,777.13

Finding the Fourth Proportional to 3,486.69, 4,805.46 and 2,777.13

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Solution

The fourth proportional to 3,486.69, 4,805.46 and 2,777.13 is: 3,827.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.69 : 4,805.46 = 2,777.13 : x
  2. Step 2: Convert to fraction form
    3,486.69/4,805.46 = 2,777.13/x
  3. Step 3: Cross multiply
    3,486.69x = 4,805.46 × 2,777.13
  4. Step 4: Simplify right side
    3,486.69x = 13,345,387.13
  5. Step 5: Solve for x
    x = 13,345,387.13/3,486.69
  6. Step 6: Final answer
    x = 3,827.52

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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.