Home / 3,240.77-4,860.68-1,160.46

Finding the Fourth Proportional to 3,240.77, 4,860.68 and 1,160.46

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Solution

The fourth proportional to 3,240.77, 4,860.68 and 1,160.46 is: 1,740.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.77 : 4,860.68 = 1,160.46 : x
  2. Step 2: Convert to fraction form
    3,240.77/4,860.68 = 1,160.46/x
  3. Step 3: Cross multiply
    3,240.77x = 4,860.68 × 1,160.46
  4. Step 4: Simplify right side
    3,240.77x = 5,640,618.91
  5. Step 5: Solve for x
    x = 5,640,618.91/3,240.77
  6. Step 6: Final answer
    x = 1,740.52

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1.5x scale

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.