Home / 2,161.64-3,242.46-2,056.72

Finding the Fourth Proportional to 2,161.64, 3,242.46 and 2,056.72

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Solution

The fourth proportional to 2,161.64, 3,242.46 and 2,056.72 is: 3,085.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161.64 : 3,242.46 = 2,056.72 : x
  2. Step 2: Convert to fraction form
    2,161.64/3,242.46 = 2,056.72/x
  3. Step 3: Cross multiply
    2,161.64x = 3,242.46 × 2,056.72
  4. Step 4: Simplify right side
    2,161.64x = 6,668,832.33
  5. Step 5: Solve for x
    x = 6,668,832.33/2,161.64
  6. Step 6: Final answer
    x = 3,085.08

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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.