Home / 2,937.88-4,054.36-1,679.12

Finding the Fourth Proportional to 2,937.88, 4,054.36 and 1,679.12

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Solution

The fourth proportional to 2,937.88, 4,054.36 and 1,679.12 is: 2,317.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,937.88 : 4,054.36 = 1,679.12 : x
  2. Step 2: Convert to fraction form
    2,937.88/4,054.36 = 1,679.12/x
  3. Step 3: Cross multiply
    2,937.88x = 4,054.36 × 1,679.12
  4. Step 4: Simplify right side
    2,937.88x = 6,807,756.96
  5. Step 5: Solve for x
    x = 6,807,756.96/2,937.88
  6. Step 6: Final answer
    x = 2,317.23

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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.