Home / 1,449.02-2,172.36-582.50

Finding the Fourth Proportional to 1,449.02, 2,172.36 and 582.50

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Solution

The fourth proportional to 1,449.02, 2,172.36 and 582.50 is: 873.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449.02 : 2,172.36 = 582.50 : x
  2. Step 2: Convert to fraction form
    1,449.02/2,172.36 = 582.50/x
  3. Step 3: Cross multiply
    1,449.02x = 2,172.36 × 582.50
  4. Step 4: Simplify right side
    1,449.02x = 1,265,399.70
  5. Step 5: Solve for x
    x = 1,265,399.70/1,449.02
  6. Step 6: Final answer
    x = 873.28

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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.