Home / 2,836.05-3,913.86-1,577.10

Finding the Fourth Proportional to 2,836.05, 3,913.86 and 1,577.10

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Solution

The fourth proportional to 2,836.05, 3,913.86 and 1,577.10 is: 2,176.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.05 : 3,913.86 = 1,577.10 : x
  2. Step 2: Convert to fraction form
    2,836.05/3,913.86 = 1,577.10/x
  3. Step 3: Cross multiply
    2,836.05x = 3,913.86 × 1,577.10
  4. Step 4: Simplify right side
    2,836.05x = 6,172,548.61
  5. Step 5: Solve for x
    x = 6,172,548.61/2,836.05
  6. Step 6: Final answer
    x = 2,176.46

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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.