Home / 2,461.30-3,688.02-1,722.31

Finding the Fourth Proportional to 2,461.30, 3,688.02 and 1,722.31

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Solution

The fourth proportional to 2,461.30, 3,688.02 and 1,722.31 is: 2,580.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,461.30 : 3,688.02 = 1,722.31 : x
  2. Step 2: Convert to fraction form
    2,461.30/3,688.02 = 1,722.31/x
  3. Step 3: Cross multiply
    2,461.30x = 3,688.02 × 1,722.31
  4. Step 4: Simplify right side
    2,461.30x = 6,351,913.73
  5. Step 5: Solve for x
    x = 6,351,913.73/2,461.30
  6. Step 6: Final answer
    x = 2,580.71

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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.