Home / 1,468.26-2,203.20-646.56

Finding the Fourth Proportional to 1,468.26, 2,203.20 and 646.56

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Solution

The fourth proportional to 1,468.26, 2,203.20 and 646.56 is: 970.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,468.26 : 2,203.20 = 646.56 : x
  2. Step 2: Convert to fraction form
    1,468.26/2,203.20 = 646.56/x
  3. Step 3: Cross multiply
    1,468.26x = 2,203.20 × 646.56
  4. Step 4: Simplify right side
    1,468.26x = 1,424,500.99
  5. Step 5: Solve for x
    x = 1,424,500.99/1,468.26
  6. Step 6: Final answer
    x = 970.20

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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.