Home / 3,210.07-4,429.92-1,883.80

Finding the Fourth Proportional to 3,210.07, 4,429.92 and 1,883.80

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Solution

The fourth proportional to 3,210.07, 4,429.92 and 1,883.80 is: 2,599.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.07 : 4,429.92 = 1,883.80 : x
  2. Step 2: Convert to fraction form
    3,210.07/4,429.92 = 1,883.80/x
  3. Step 3: Cross multiply
    3,210.07x = 4,429.92 × 1,883.80
  4. Step 4: Simplify right side
    3,210.07x = 8,345,083.30
  5. Step 5: Solve for x
    x = 8,345,083.30/3,210.07
  6. Step 6: Final answer
    x = 2,599.66

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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.