Home / 3,890.82-5,838.59-1,582.26

Finding the Fourth Proportional to 3,890.82, 5,838.59 and 1,582.26

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Solution

The fourth proportional to 3,890.82, 5,838.59 and 1,582.26 is: 2,374.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890.82 : 5,838.59 = 1,582.26 : x
  2. Step 2: Convert to fraction form
    3,890.82/5,838.59 = 1,582.26/x
  3. Step 3: Cross multiply
    3,890.82x = 5,838.59 × 1,582.26
  4. Step 4: Simplify right side
    3,890.82x = 9,238,167.41
  5. Step 5: Solve for x
    x = 9,238,167.41/3,890.82
  6. Step 6: Final answer
    x = 2,374.35

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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.