Home / 1,624.20-2,241.42-925.56

Finding the Fourth Proportional to 1,624.20, 2,241.42 and 925.56

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Solution

The fourth proportional to 1,624.20, 2,241.42 and 925.56 is: 1,277.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624.20 : 2,241.42 = 925.56 : x
  2. Step 2: Convert to fraction form
    1,624.20/2,241.42 = 925.56/x
  3. Step 3: Cross multiply
    1,624.20x = 2,241.42 × 925.56
  4. Step 4: Simplify right side
    1,624.20x = 2,074,568.70
  5. Step 5: Solve for x
    x = 2,074,568.70/1,624.20
  6. Step 6: Final answer
    x = 1,277.29

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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.