Home / 3,782.16-5,672.32-1,590.92

Finding the Fourth Proportional to 3,782.16, 5,672.32 and 1,590.92

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Solution

The fourth proportional to 3,782.16, 5,672.32 and 1,590.92 is: 2,385.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,782.16 : 5,672.32 = 1,590.92 : x
  2. Step 2: Convert to fraction form
    3,782.16/5,672.32 = 1,590.92/x
  3. Step 3: Cross multiply
    3,782.16x = 5,672.32 × 1,590.92
  4. Step 4: Simplify right side
    3,782.16x = 9,024,207.33
  5. Step 5: Solve for x
    x = 9,024,207.33/3,782.16
  6. Step 6: Final answer
    x = 2,385.99

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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.