Home / 2,164.08-2,986.92-1,814.16

Finding the Fourth Proportional to 2,164.08, 2,986.92 and 1,814.16

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Solution

The fourth proportional to 2,164.08, 2,986.92 and 1,814.16 is: 2,503.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164.08 : 2,986.92 = 1,814.16 : x
  2. Step 2: Convert to fraction form
    2,164.08/2,986.92 = 1,814.16/x
  3. Step 3: Cross multiply
    2,164.08x = 2,986.92 × 1,814.16
  4. Step 4: Simplify right side
    2,164.08x = 5,418,750.79
  5. Step 5: Solve for x
    x = 5,418,750.79/2,164.08
  6. Step 6: Final answer
    x = 2,503.95

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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.