Home / 3,681.91-5,077.55-2,841.28

Finding the Fourth Proportional to 3,681.91, 5,077.55 and 2,841.28

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Solution

The fourth proportional to 3,681.91, 5,077.55 and 2,841.28 is: 3,918.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.91 : 5,077.55 = 2,841.28 : x
  2. Step 2: Convert to fraction form
    3,681.91/5,077.55 = 2,841.28/x
  3. Step 3: Cross multiply
    3,681.91x = 5,077.55 × 2,841.28
  4. Step 4: Simplify right side
    3,681.91x = 14,426,741.26
  5. Step 5: Solve for x
    x = 14,426,741.26/3,681.91
  6. Step 6: Final answer
    x = 3,918.28

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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.