Home / 2,176.47-3,002.85-1,335.84

Finding the Fourth Proportional to 2,176.47, 3,002.85 and 1,335.84

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Solution

The fourth proportional to 2,176.47, 3,002.85 and 1,335.84 is: 1,843.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.47 : 3,002.85 = 1,335.84 : x
  2. Step 2: Convert to fraction form
    2,176.47/3,002.85 = 1,335.84/x
  3. Step 3: Cross multiply
    2,176.47x = 3,002.85 × 1,335.84
  4. Step 4: Simplify right side
    2,176.47x = 4,011,327.14
  5. Step 5: Solve for x
    x = 4,011,327.14/2,176.47
  6. Step 6: Final answer
    x = 1,843.04

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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.