Home / 2,158.28-3,237.26-1,230.92

Finding the Fourth Proportional to 2,158.28, 3,237.26 and 1,230.92

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Solution

The fourth proportional to 2,158.28, 3,237.26 and 1,230.92 is: 1,846.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158.28 : 3,237.26 = 1,230.92 : x
  2. Step 2: Convert to fraction form
    2,158.28/3,237.26 = 1,230.92/x
  3. Step 3: Cross multiply
    2,158.28x = 3,237.26 × 1,230.92
  4. Step 4: Simplify right side
    2,158.28x = 3,984,808.08
  5. Step 5: Solve for x
    x = 3,984,808.08/2,158.28
  6. Step 6: Final answer
    x = 1,846.29

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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.