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Finding the Fourth Proportional to 3,353.04, 5,029.59 and 888.21

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Solution

The fourth proportional to 3,353.04, 5,029.59 and 888.21 is: 1,332.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,353.04 : 5,029.59 = 888.21 : x
  2. Step 2: Convert to fraction form
    3,353.04/5,029.59 = 888.21/x
  3. Step 3: Cross multiply
    3,353.04x = 5,029.59 × 888.21
  4. Step 4: Simplify right side
    3,353.04x = 4,467,332.13
  5. Step 5: Solve for x
    x = 4,467,332.13/3,353.04
  6. Step 6: Final answer
    x = 1,332.32

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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.