Home / 2,631.02-3,943.04-1,461.56

Finding the Fourth Proportional to 2,631.02, 3,943.04 and 1,461.56

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Solution

The fourth proportional to 2,631.02, 3,943.04 and 1,461.56 is: 2,190.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631.02 : 3,943.04 = 1,461.56 : x
  2. Step 2: Convert to fraction form
    2,631.02/3,943.04 = 1,461.56/x
  3. Step 3: Cross multiply
    2,631.02x = 3,943.04 × 1,461.56
  4. Step 4: Simplify right side
    2,631.02x = 5,762,989.54
  5. Step 5: Solve for x
    x = 5,762,989.54/2,631.02
  6. Step 6: Final answer
    x = 2,190.40

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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.