Home / 3,485.36-5,227.96-888.28

Finding the Fourth Proportional to 3,485.36, 5,227.96 and 888.28

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Solution

The fourth proportional to 3,485.36, 5,227.96 and 888.28 is: 1,332.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.36 : 5,227.96 = 888.28 : x
  2. Step 2: Convert to fraction form
    3,485.36/5,227.96 = 888.28/x
  3. Step 3: Cross multiply
    3,485.36x = 5,227.96 × 888.28
  4. Step 4: Simplify right side
    3,485.36x = 4,643,892.31
  5. Step 5: Solve for x
    x = 4,643,892.31/3,485.36
  6. Step 6: Final answer
    x = 1,332.40

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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.