Home / 2,182.24-3,011.62-1,237.87

Finding the Fourth Proportional to 2,182.24, 3,011.62 and 1,237.87

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Solution

The fourth proportional to 2,182.24, 3,011.62 and 1,237.87 is: 1,708.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182.24 : 3,011.62 = 1,237.87 : x
  2. Step 2: Convert to fraction form
    2,182.24/3,011.62 = 1,237.87/x
  3. Step 3: Cross multiply
    2,182.24x = 3,011.62 × 1,237.87
  4. Step 4: Simplify right side
    2,182.24x = 3,727,994.05
  5. Step 5: Solve for x
    x = 3,727,994.05/2,182.24
  6. Step 6: Final answer
    x = 1,708.33

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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.