Home / 2,730.81-4,100.31-1,562.13

Finding the Fourth Proportional to 2,730.81, 4,100.31 and 1,562.13

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Solution

The fourth proportional to 2,730.81, 4,100.31 and 1,562.13 is: 2,345.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,730.81 : 4,100.31 = 1,562.13 : x
  2. Step 2: Convert to fraction form
    2,730.81/4,100.31 = 1,562.13/x
  3. Step 3: Cross multiply
    2,730.81x = 4,100.31 × 1,562.13
  4. Step 4: Simplify right side
    2,730.81x = 6,405,217.26
  5. Step 5: Solve for x
    x = 6,405,217.26/2,730.81
  6. Step 6: Final answer
    x = 2,345.54

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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.