Home / 3,133.40-4,323.26-1,873.89

Finding the Fourth Proportional to 3,133.40, 4,323.26 and 1,873.89

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Solution

The fourth proportional to 3,133.40, 4,323.26 and 1,873.89 is: 2,585.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.40 : 4,323.26 = 1,873.89 : x
  2. Step 2: Convert to fraction form
    3,133.40/4,323.26 = 1,873.89/x
  3. Step 3: Cross multiply
    3,133.40x = 4,323.26 × 1,873.89
  4. Step 4: Simplify right side
    3,133.40x = 8,101,318.37
  5. Step 5: Solve for x
    x = 8,101,318.37/3,133.40
  6. Step 6: Final answer
    x = 2,585.48

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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.