Home / 3,747.51-5,620.20-1,114.91

Finding the Fourth Proportional to 3,747.51, 5,620.20 and 1,114.91

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Solution

The fourth proportional to 3,747.51, 5,620.20 and 1,114.91 is: 1,672.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.51 : 5,620.20 = 1,114.91 : x
  2. Step 2: Convert to fraction form
    3,747.51/5,620.20 = 1,114.91/x
  3. Step 3: Cross multiply
    3,747.51x = 5,620.20 × 1,114.91
  4. Step 4: Simplify right side
    3,747.51x = 6,266,017.18
  5. Step 5: Solve for x
    x = 6,266,017.18/3,747.51
  6. Step 6: Final answer
    x = 1,672.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.