Home / 3,681.59-5,078.48-2,265.98

Finding the Fourth Proportional to 3,681.59, 5,078.48 and 2,265.98

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Solution

The fourth proportional to 3,681.59, 5,078.48 and 2,265.98 is: 3,125.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.59 : 5,078.48 = 2,265.98 : x
  2. Step 2: Convert to fraction form
    3,681.59/5,078.48 = 2,265.98/x
  3. Step 3: Cross multiply
    3,681.59x = 5,078.48 × 2,265.98
  4. Step 4: Simplify right side
    3,681.59x = 11,507,697.39
  5. Step 5: Solve for x
    x = 11,507,697.39/3,681.59
  6. Step 6: Final answer
    x = 3,125.75

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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.