Home / 3,776.41-5,210.85-2,182.47

Finding the Fourth Proportional to 3,776.41, 5,210.85 and 2,182.47

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Solution

The fourth proportional to 3,776.41, 5,210.85 and 2,182.47 is: 3,011.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,776.41 : 5,210.85 = 2,182.47 : x
  2. Step 2: Convert to fraction form
    3,776.41/5,210.85 = 2,182.47/x
  3. Step 3: Cross multiply
    3,776.41x = 5,210.85 × 2,182.47
  4. Step 4: Simplify right side
    3,776.41x = 11,372,523.80
  5. Step 5: Solve for x
    x = 11,372,523.80/3,776.41
  6. Step 6: Final answer
    x = 3,011.46

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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.