Home / 1,756.18-2,634.40-523.49

Finding the Fourth Proportional to 1,756.18, 2,634.40 and 523.49

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Solution

The fourth proportional to 1,756.18, 2,634.40 and 523.49 is: 785.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,756.18 : 2,634.40 = 523.49 : x
  2. Step 2: Convert to fraction form
    1,756.18/2,634.40 = 523.49/x
  3. Step 3: Cross multiply
    1,756.18x = 2,634.40 × 523.49
  4. Step 4: Simplify right side
    1,756.18x = 1,379,082.06
  5. Step 5: Solve for x
    x = 1,379,082.06/1,756.18
  6. Step 6: Final answer
    x = 785.28

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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.