Home / 3,681.04-5,077.56-2,187.94

Finding the Fourth Proportional to 3,681.04, 5,077.56 and 2,187.94

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Solution

The fourth proportional to 3,681.04, 5,077.56 and 2,187.94 is: 3,018.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.04 : 5,077.56 = 2,187.94 : x
  2. Step 2: Convert to fraction form
    3,681.04/5,077.56 = 2,187.94/x
  3. Step 3: Cross multiply
    3,681.04x = 5,077.56 × 2,187.94
  4. Step 4: Simplify right side
    3,681.04x = 11,109,396.63
  5. Step 5: Solve for x
    x = 11,109,396.63/3,681.04
  6. Step 6: Final answer
    x = 3,018.00

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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.