Home / 1,632.85-2,253.27-934.21

Finding the Fourth Proportional to 1,632.85, 2,253.27 and 934.21

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Solution

The fourth proportional to 1,632.85, 2,253.27 and 934.21 is: 1,289.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632.85 : 2,253.27 = 934.21 : x
  2. Step 2: Convert to fraction form
    1,632.85/2,253.27 = 934.21/x
  3. Step 3: Cross multiply
    1,632.85x = 2,253.27 × 934.21
  4. Step 4: Simplify right side
    1,632.85x = 2,105,027.37
  5. Step 5: Solve for x
    x = 2,105,027.37/1,632.85
  6. Step 6: Final answer
    x = 1,289.17

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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.