Home / 3,206.48-4,424.96-1,880.21

Finding the Fourth Proportional to 3,206.48, 4,424.96 and 1,880.21

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Solution

The fourth proportional to 3,206.48, 4,424.96 and 1,880.21 is: 2,594.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,206.48 : 4,424.96 = 1,880.21 : x
  2. Step 2: Convert to fraction form
    3,206.48/4,424.96 = 1,880.21/x
  3. Step 3: Cross multiply
    3,206.48x = 4,424.96 × 1,880.21
  4. Step 4: Simplify right side
    3,206.48x = 8,319,831.92
  5. Step 5: Solve for x
    x = 8,319,831.92/3,206.48
  6. Step 6: Final answer
    x = 2,594.69

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1.5x scale

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.