Home / 2,972.85-4,456.16-1,933.57

Finding the Fourth Proportional to 2,972.85, 4,456.16 and 1,933.57

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Solution

The fourth proportional to 2,972.85, 4,456.16 and 1,933.57 is: 2,898.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.85 : 4,456.16 = 1,933.57 : x
  2. Step 2: Convert to fraction form
    2,972.85/4,456.16 = 1,933.57/x
  3. Step 3: Cross multiply
    2,972.85x = 4,456.16 × 1,933.57
  4. Step 4: Simplify right side
    2,972.85x = 8,616,265.34
  5. Step 5: Solve for x
    x = 8,616,265.34/2,972.85
  6. Step 6: Final answer
    x = 2,898.32

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1.5x scale

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.