Home / 1,441.50-2,161.53-575.58

Finding the Fourth Proportional to 1,441.50, 2,161.53 and 575.58

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Solution

The fourth proportional to 1,441.50, 2,161.53 and 575.58 is: 863.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441.50 : 2,161.53 = 575.58 : x
  2. Step 2: Convert to fraction form
    1,441.50/2,161.53 = 575.58/x
  3. Step 3: Cross multiply
    1,441.50x = 2,161.53 × 575.58
  4. Step 4: Simplify right side
    1,441.50x = 1,244,133.44
  5. Step 5: Solve for x
    x = 1,244,133.44/1,441.50
  6. Step 6: Final answer
    x = 863.08

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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.