Home / 3,485.30-5,227.92-888.24

Finding the Fourth Proportional to 3,485.30, 5,227.92 and 888.24

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Solution

The fourth proportional to 3,485.30, 5,227.92 and 888.24 is: 1,332.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.30 : 5,227.92 = 888.24 : x
  2. Step 2: Convert to fraction form
    3,485.30/5,227.92 = 888.24/x
  3. Step 3: Cross multiply
    3,485.30x = 5,227.92 × 888.24
  4. Step 4: Simplify right side
    3,485.30x = 4,643,647.66
  5. Step 5: Solve for x
    x = 4,643,647.66/3,485.30
  6. Step 6: Final answer
    x = 1,332.35

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1.5x scale

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.