Home / 3,424.85-5,140.53-1,782.59

Finding the Fourth Proportional to 3,424.85, 5,140.53 and 1,782.59

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Solution

The fourth proportional to 3,424.85, 5,140.53 and 1,782.59 is: 2,675.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424.85 : 5,140.53 = 1,782.59 : x
  2. Step 2: Convert to fraction form
    3,424.85/5,140.53 = 1,782.59/x
  3. Step 3: Cross multiply
    3,424.85x = 5,140.53 × 1,782.59
  4. Step 4: Simplify right side
    3,424.85x = 9,163,457.37
  5. Step 5: Solve for x
    x = 9,163,457.37/3,424.85
  6. Step 6: Final answer
    x = 2,675.58

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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.