Home / 3,782.35-5,675.73-1,590.90

Finding the Fourth Proportional to 3,782.35, 5,675.73 and 1,590.90

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Solution

The fourth proportional to 3,782.35, 5,675.73 and 1,590.90 is: 2,387.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,782.35 : 5,675.73 = 1,590.90 : x
  2. Step 2: Convert to fraction form
    3,782.35/5,675.73 = 1,590.90/x
  3. Step 3: Cross multiply
    3,782.35x = 5,675.73 × 1,590.90
  4. Step 4: Simplify right side
    3,782.35x = 9,029,518.86
  5. Step 5: Solve for x
    x = 9,029,518.86/3,782.35
  6. Step 6: Final answer
    x = 2,387.28

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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.