Home / 3,681.34-5,076.91-2,739.51

Finding the Fourth Proportional to 3,681.34, 5,076.91 and 2,739.51

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Solution

The fourth proportional to 3,681.34, 5,076.91 and 2,739.51 is: 3,778.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.34 : 5,076.91 = 2,739.51 : x
  2. Step 2: Convert to fraction form
    3,681.34/5,076.91 = 2,739.51/x
  3. Step 3: Cross multiply
    3,681.34x = 5,076.91 × 2,739.51
  4. Step 4: Simplify right side
    3,681.34x = 13,908,245.71
  5. Step 5: Solve for x
    x = 13,908,245.71/3,681.34
  6. Step 6: Final answer
    x = 3,778.04

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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.