Home / 3,505.79-4,837.97-2,013.72

Finding the Fourth Proportional to 3,505.79, 4,837.97 and 2,013.72

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Solution

The fourth proportional to 3,505.79, 4,837.97 and 2,013.72 is: 2,778.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505.79 : 4,837.97 = 2,013.72 : x
  2. Step 2: Convert to fraction form
    3,505.79/4,837.97 = 2,013.72/x
  3. Step 3: Cross multiply
    3,505.79x = 4,837.97 × 2,013.72
  4. Step 4: Simplify right side
    3,505.79x = 9,742,303.84
  5. Step 5: Solve for x
    x = 9,742,303.84/3,505.79
  6. Step 6: Final answer
    x = 2,778.92

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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.