Home / 1,453.28-2,180.34-528.93

Finding the Fourth Proportional to 1,453.28, 2,180.34 and 528.93

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Solution

The fourth proportional to 1,453.28, 2,180.34 and 528.93 is: 793.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453.28 : 2,180.34 = 528.93 : x
  2. Step 2: Convert to fraction form
    1,453.28/2,180.34 = 528.93/x
  3. Step 3: Cross multiply
    1,453.28x = 2,180.34 × 528.93
  4. Step 4: Simplify right side
    1,453.28x = 1,153,247.24
  5. Step 5: Solve for x
    x = 1,153,247.24/1,453.28
  6. Step 6: Final answer
    x = 793.55

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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.