Home / 2,192.60-3,288.08-632.07

Finding the Fourth Proportional to 2,192.60, 3,288.08 and 632.07

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Solution

The fourth proportional to 2,192.60, 3,288.08 and 632.07 is: 947.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192.60 : 3,288.08 = 632.07 : x
  2. Step 2: Convert to fraction form
    2,192.60/3,288.08 = 632.07/x
  3. Step 3: Cross multiply
    2,192.60x = 3,288.08 × 632.07
  4. Step 4: Simplify right side
    2,192.60x = 2,078,293.57
  5. Step 5: Solve for x
    x = 2,078,293.57/2,192.60
  6. Step 6: Final answer
    x = 947.87

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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.