Home / 3,133.10-4,323.26-1,788.90

Finding the Fourth Proportional to 3,133.10, 4,323.26 and 1,788.90

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Solution

The fourth proportional to 3,133.10, 4,323.26 and 1,788.90 is: 2,468.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.10 : 4,323.26 = 1,788.90 : x
  2. Step 2: Convert to fraction form
    3,133.10/4,323.26 = 1,788.90/x
  3. Step 3: Cross multiply
    3,133.10x = 4,323.26 × 1,788.90
  4. Step 4: Simplify right side
    3,133.10x = 7,733,879.81
  5. Step 5: Solve for x
    x = 7,733,879.81/3,133.10
  6. Step 6: Final answer
    x = 2,468.44

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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.