Home / 1,624.92-2,242.34-926.26

Finding the Fourth Proportional to 1,624.92, 2,242.34 and 926.26

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Solution

The fourth proportional to 1,624.92, 2,242.34 and 926.26 is: 1,278.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624.92 : 2,242.34 = 926.26 : x
  2. Step 2: Convert to fraction form
    1,624.92/2,242.34 = 926.26/x
  3. Step 3: Cross multiply
    1,624.92x = 2,242.34 × 926.26
  4. Step 4: Simplify right side
    1,624.92x = 2,076,989.85
  5. Step 5: Solve for x
    x = 2,076,989.85/1,624.92
  6. Step 6: Final answer
    x = 1,278.21

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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.