Home / 1,504.02-2,256.12-408.36

Finding the Fourth Proportional to 1,504.02, 2,256.12 and 408.36

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Solution

The fourth proportional to 1,504.02, 2,256.12 and 408.36 is: 612.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,504.02 : 2,256.12 = 408.36 : x
  2. Step 2: Convert to fraction form
    1,504.02/2,256.12 = 408.36/x
  3. Step 3: Cross multiply
    1,504.02x = 2,256.12 × 408.36
  4. Step 4: Simplify right side
    1,504.02x = 921,309.16
  5. Step 5: Solve for x
    x = 921,309.16/1,504.02
  6. Step 6: Final answer
    x = 612.56

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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.