Home / 3,240.48-4,859.52-1,159.92

Finding the Fourth Proportional to 3,240.48, 4,859.52 and 1,159.92

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Solution

The fourth proportional to 3,240.48, 4,859.52 and 1,159.92 is: 1,739.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.48 : 4,859.52 = 1,159.92 : x
  2. Step 2: Convert to fraction form
    3,240.48/4,859.52 = 1,159.92/x
  3. Step 3: Cross multiply
    3,240.48x = 4,859.52 × 1,159.92
  4. Step 4: Simplify right side
    3,240.48x = 5,636,630.14
  5. Step 5: Solve for x
    x = 5,636,630.14/3,240.48
  6. Step 6: Final answer
    x = 1,739.45

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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.