Home / 3,159.48-4,359.78-1,762.32

Finding the Fourth Proportional to 3,159.48, 4,359.78 and 1,762.32

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Solution

The fourth proportional to 3,159.48, 4,359.78 and 1,762.32 is: 2,431.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.48 : 4,359.78 = 1,762.32 : x
  2. Step 2: Convert to fraction form
    3,159.48/4,359.78 = 1,762.32/x
  3. Step 3: Cross multiply
    3,159.48x = 4,359.78 × 1,762.32
  4. Step 4: Simplify right side
    3,159.48x = 7,683,327.49
  5. Step 5: Solve for x
    x = 7,683,327.49/3,159.48
  6. Step 6: Final answer
    x = 2,431.83

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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.