Home / 3,254.23-4,490.81-1,762.12

Finding the Fourth Proportional to 3,254.23, 4,490.81 and 1,762.12

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Solution

The fourth proportional to 3,254.23, 4,490.81 and 1,762.12 is: 2,431.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,254.23 : 4,490.81 = 1,762.12 : x
  2. Step 2: Convert to fraction form
    3,254.23/4,490.81 = 1,762.12/x
  3. Step 3: Cross multiply
    3,254.23x = 4,490.81 × 1,762.12
  4. Step 4: Simplify right side
    3,254.23x = 7,913,349.53
  5. Step 5: Solve for x
    x = 7,913,349.53/3,254.23
  6. Step 6: Final answer
    x = 2,431.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.