Home / 1,225.02-1,837.94-359.46

Finding the Fourth Proportional to 1,225.02, 1,837.94 and 359.46

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Solution

The fourth proportional to 1,225.02, 1,837.94 and 359.46 is: 539.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225.02 : 1,837.94 = 359.46 : x
  2. Step 2: Convert to fraction form
    1,225.02/1,837.94 = 359.46/x
  3. Step 3: Cross multiply
    1,225.02x = 1,837.94 × 359.46
  4. Step 4: Simplify right side
    1,225.02x = 660,665.91
  5. Step 5: Solve for x
    x = 660,665.91/1,225.02
  6. Step 6: Final answer
    x = 539.31

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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.