Home / 1,243.81-1,865.76-464.01

Finding the Fourth Proportional to 1,243.81, 1,865.76 and 464.01

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Solution

The fourth proportional to 1,243.81, 1,865.76 and 464.01 is: 696.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243.81 : 1,865.76 = 464.01 : x
  2. Step 2: Convert to fraction form
    1,243.81/1,865.76 = 464.01/x
  3. Step 3: Cross multiply
    1,243.81x = 1,865.76 × 464.01
  4. Step 4: Simplify right side
    1,243.81x = 865,731.30
  5. Step 5: Solve for x
    x = 865,731.30/1,243.81
  6. Step 6: Final answer
    x = 696.03

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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.