Home / 2,164.16-2,987.04-1,232.96

Finding the Fourth Proportional to 2,164.16, 2,987.04 and 1,232.96

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Solution

The fourth proportional to 2,164.16, 2,987.04 and 1,232.96 is: 1,701.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164.16 : 2,987.04 = 1,232.96 : x
  2. Step 2: Convert to fraction form
    2,164.16/2,987.04 = 1,232.96/x
  3. Step 3: Cross multiply
    2,164.16x = 2,987.04 × 1,232.96
  4. Step 4: Simplify right side
    2,164.16x = 3,682,900.84
  5. Step 5: Solve for x
    x = 3,682,900.84/2,164.16
  6. Step 6: Final answer
    x = 1,701.77

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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.