Home / 2,158.47-3,235.32-926.73

Finding the Fourth Proportional to 2,158.47, 3,235.32 and 926.73

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Solution

The fourth proportional to 2,158.47, 3,235.32 and 926.73 is: 1,389.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158.47 : 3,235.32 = 926.73 : x
  2. Step 2: Convert to fraction form
    2,158.47/3,235.32 = 926.73/x
  3. Step 3: Cross multiply
    2,158.47x = 3,235.32 × 926.73
  4. Step 4: Simplify right side
    2,158.47x = 2,998,268.10
  5. Step 5: Solve for x
    x = 2,998,268.10/2,158.47
  6. Step 6: Final answer
    x = 1,389.07

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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.