Home / 3,350.80-4,623.84-1,953.28

Finding the Fourth Proportional to 3,350.80, 4,623.84 and 1,953.28

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Solution

The fourth proportional to 3,350.80, 4,623.84 and 1,953.28 is: 2,695.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,350.80 : 4,623.84 = 1,953.28 : x
  2. Step 2: Convert to fraction form
    3,350.80/4,623.84 = 1,953.28/x
  3. Step 3: Cross multiply
    3,350.80x = 4,623.84 × 1,953.28
  4. Step 4: Simplify right side
    3,350.80x = 9,031,654.20
  5. Step 5: Solve for x
    x = 9,031,654.20/3,350.80
  6. Step 6: Final answer
    x = 2,695.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.