Home / 3,206.63-4,424.71-1,790.15

Finding the Fourth Proportional to 3,206.63, 4,424.71 and 1,790.15

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Solution

The fourth proportional to 3,206.63, 4,424.71 and 1,790.15 is: 2,470.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,206.63 : 4,424.71 = 1,790.15 : x
  2. Step 2: Convert to fraction form
    3,206.63/4,424.71 = 1,790.15/x
  3. Step 3: Cross multiply
    3,206.63x = 4,424.71 × 1,790.15
  4. Step 4: Simplify right side
    3,206.63x = 7,920,894.61
  5. Step 5: Solve for x
    x = 7,920,894.61/3,206.63
  6. Step 6: Final answer
    x = 2,470.16

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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.