Home / 1,958.32-2,700.84-1,608.40

Finding the Fourth Proportional to 1,958.32, 2,700.84 and 1,608.40

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Solution

The fourth proportional to 1,958.32, 2,700.84 and 1,608.40 is: 2,218.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,958.32 : 2,700.84 = 1,608.40 : x
  2. Step 2: Convert to fraction form
    1,958.32/2,700.84 = 1,608.40/x
  3. Step 3: Cross multiply
    1,958.32x = 2,700.84 × 1,608.40
  4. Step 4: Simplify right side
    1,958.32x = 4,344,031.06
  5. Step 5: Solve for x
    x = 4,344,031.06/1,958.32
  6. Step 6: Final answer
    x = 2,218.24

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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.