Home / 1,493.89-2,240.30-616.36

Finding the Fourth Proportional to 1,493.89, 2,240.30 and 616.36

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Solution

The fourth proportional to 1,493.89, 2,240.30 and 616.36 is: 924.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493.89 : 2,240.30 = 616.36 : x
  2. Step 2: Convert to fraction form
    1,493.89/2,240.30 = 616.36/x
  3. Step 3: Cross multiply
    1,493.89x = 2,240.30 × 616.36
  4. Step 4: Simplify right side
    1,493.89x = 1,380,827.25
  5. Step 5: Solve for x
    x = 1,380,827.25/1,493.89
  6. Step 6: Final answer
    x = 924.32

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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.