Home / 3,501.52-5,247.81-1,858.84

Finding the Fourth Proportional to 3,501.52, 5,247.81 and 1,858.84

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Solution

The fourth proportional to 3,501.52, 5,247.81 and 1,858.84 is: 2,785.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,501.52 : 5,247.81 = 1,858.84 : x
  2. Step 2: Convert to fraction form
    3,501.52/5,247.81 = 1,858.84/x
  3. Step 3: Cross multiply
    3,501.52x = 5,247.81 × 1,858.84
  4. Step 4: Simplify right side
    3,501.52x = 9,754,839.14
  5. Step 5: Solve for x
    x = 9,754,839.14/3,501.52
  6. Step 6: Final answer
    x = 2,785.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.