Home / 3,637.74-5,014.78-2,892

Finding the Fourth Proportional to 3,637.74, 5,014.78 and 2,892

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Solution

The fourth proportional to 3,637.74, 5,014.78 and 2,892 is: 3,986.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,637.74 : 5,014.78 = 2,892 : x
  2. Step 2: Convert to fraction form
    3,637.74/5,014.78 = 2,892/x
  3. Step 3: Cross multiply
    3,637.74x = 5,014.78 × 2,892
  4. Step 4: Simplify right side
    3,637.74x = 14,502,729.30
  5. Step 5: Solve for x
    x = 14,502,729.30/3,637.74
  6. Step 6: Final answer
    x = 3,986.74

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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.