Home / 3,090.24-4,636.44-1,359

Finding the Fourth Proportional to 3,090.24, 4,636.44 and 1,359

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Solution

The fourth proportional to 3,090.24, 4,636.44 and 1,359 is: 2,038.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.24 : 4,636.44 = 1,359 : x
  2. Step 2: Convert to fraction form
    3,090.24/4,636.44 = 1,359/x
  3. Step 3: Cross multiply
    3,090.24x = 4,636.44 × 1,359
  4. Step 4: Simplify right side
    3,090.24x = 6,300,921.96
  5. Step 5: Solve for x
    x = 6,300,921.96/3,090.24
  6. Step 6: Final answer
    x = 2,038.97

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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.