Home / 3,782.10-5,675.37-1,590.66

Finding the Fourth Proportional to 3,782.10, 5,675.37 and 1,590.66

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Solution

The fourth proportional to 3,782.10, 5,675.37 and 1,590.66 is: 2,386.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,782.10 : 5,675.37 = 1,590.66 : x
  2. Step 2: Convert to fraction form
    3,782.10/5,675.37 = 1,590.66/x
  3. Step 3: Cross multiply
    3,782.10x = 5,675.37 × 1,590.66
  4. Step 4: Simplify right side
    3,782.10x = 9,027,584.04
  5. Step 5: Solve for x
    x = 9,027,584.04/3,782.10
  6. Step 6: Final answer
    x = 2,386.92

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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.