Home / 2,431.20-3,643.76-1,042.93

Finding the Fourth Proportional to 2,431.20, 3,643.76 and 1,042.93

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Solution

The fourth proportional to 2,431.20, 3,643.76 and 1,042.93 is: 1,563.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,431.20 : 3,643.76 = 1,042.93 : x
  2. Step 2: Convert to fraction form
    2,431.20/3,643.76 = 1,042.93/x
  3. Step 3: Cross multiply
    2,431.20x = 3,643.76 × 1,042.93
  4. Step 4: Simplify right side
    2,431.20x = 3,800,170.35
  5. Step 5: Solve for x
    x = 3,800,170.35/2,431.20
  6. Step 6: Final answer
    x = 1,563.08

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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.