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Finding the Fourth Proportional to 3,215.64, 4,437.04 and 1,799.04

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Solution

The fourth proportional to 3,215.64, 4,437.04 and 1,799.04 is: 2,482.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.64 : 4,437.04 = 1,799.04 : x
  2. Step 2: Convert to fraction form
    3,215.64/4,437.04 = 1,799.04/x
  3. Step 3: Cross multiply
    3,215.64x = 4,437.04 × 1,799.04
  4. Step 4: Simplify right side
    3,215.64x = 7,982,412.44
  5. Step 5: Solve for x
    x = 7,982,412.44/3,215.64
  6. Step 6: Final answer
    x = 2,482.37

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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.