Home / 1,627.02-2,440.89-531.33

Finding the Fourth Proportional to 1,627.02, 2,440.89 and 531.33

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Solution

The fourth proportional to 1,627.02, 2,440.89 and 531.33 is: 797.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627.02 : 2,440.89 = 531.33 : x
  2. Step 2: Convert to fraction form
    1,627.02/2,440.89 = 531.33/x
  3. Step 3: Cross multiply
    1,627.02x = 2,440.89 × 531.33
  4. Step 4: Simplify right side
    1,627.02x = 1,296,918.08
  5. Step 5: Solve for x
    x = 1,296,918.08/1,627.02
  6. Step 6: Final answer
    x = 797.11

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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.