Home / 3,837.17-5,756.16-1,240.31

Finding the Fourth Proportional to 3,837.17, 5,756.16 and 1,240.31

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Solution

The fourth proportional to 3,837.17, 5,756.16 and 1,240.31 is: 1,860.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.17 : 5,756.16 = 1,240.31 : x
  2. Step 2: Convert to fraction form
    3,837.17/5,756.16 = 1,240.31/x
  3. Step 3: Cross multiply
    3,837.17x = 5,756.16 × 1,240.31
  4. Step 4: Simplify right side
    3,837.17x = 7,139,441.85
  5. Step 5: Solve for x
    x = 7,139,441.85/3,837.17
  6. Step 6: Final answer
    x = 1,860.60

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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.