Home / 3,485.19-5,227.80-888.06

Finding the Fourth Proportional to 3,485.19, 5,227.80 and 888.06

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Solution

The fourth proportional to 3,485.19, 5,227.80 and 888.06 is: 1,332.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.19 : 5,227.80 = 888.06 : x
  2. Step 2: Convert to fraction form
    3,485.19/5,227.80 = 888.06/x
  3. Step 3: Cross multiply
    3,485.19x = 5,227.80 × 888.06
  4. Step 4: Simplify right side
    3,485.19x = 4,642,600.07
  5. Step 5: Solve for x
    x = 4,642,600.07/3,485.19
  6. Step 6: Final answer
    x = 1,332.09

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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.