Home / 2,952.36-4,073.40-1,890.72

Finding the Fourth Proportional to 2,952.36, 4,073.40 and 1,890.72

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Solution

The fourth proportional to 2,952.36, 4,073.40 and 1,890.72 is: 2,608.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,952.36 : 4,073.40 = 1,890.72 : x
  2. Step 2: Convert to fraction form
    2,952.36/4,073.40 = 1,890.72/x
  3. Step 3: Cross multiply
    2,952.36x = 4,073.40 × 1,890.72
  4. Step 4: Simplify right side
    2,952.36x = 7,701,658.85
  5. Step 5: Solve for x
    x = 7,701,658.85/2,952.36
  6. Step 6: Final answer
    x = 2,608.64

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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.