Home / 1,493.02-2,239.57-397.38

Finding the Fourth Proportional to 1,493.02, 2,239.57 and 397.38

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Solution

The fourth proportional to 1,493.02, 2,239.57 and 397.38 is: 596.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493.02 : 2,239.57 = 397.38 : x
  2. Step 2: Convert to fraction form
    1,493.02/2,239.57 = 397.38/x
  3. Step 3: Cross multiply
    1,493.02x = 2,239.57 × 397.38
  4. Step 4: Simplify right side
    1,493.02x = 889,959.33
  5. Step 5: Solve for x
    x = 889,959.33/1,493.02
  6. Step 6: Final answer
    x = 596.08

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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.