Home / 3,010.22-4,153.98-1,683.90

Finding the Fourth Proportional to 3,010.22, 4,153.98 and 1,683.90

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Solution

The fourth proportional to 3,010.22, 4,153.98 and 1,683.90 is: 2,323.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,010.22 : 4,153.98 = 1,683.90 : x
  2. Step 2: Convert to fraction form
    3,010.22/4,153.98 = 1,683.90/x
  3. Step 3: Cross multiply
    3,010.22x = 4,153.98 × 1,683.90
  4. Step 4: Simplify right side
    3,010.22x = 6,994,886.92
  5. Step 5: Solve for x
    x = 6,994,886.92/3,010.22
  6. Step 6: Final answer
    x = 2,323.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.