Home / 3,210.99-4,815.26-1,262.13

Finding the Fourth Proportional to 3,210.99, 4,815.26 and 1,262.13

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Solution

The fourth proportional to 3,210.99, 4,815.26 and 1,262.13 is: 1,892.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.99 : 4,815.26 = 1,262.13 : x
  2. Step 2: Convert to fraction form
    3,210.99/4,815.26 = 1,262.13/x
  3. Step 3: Cross multiply
    3,210.99x = 4,815.26 × 1,262.13
  4. Step 4: Simplify right side
    3,210.99x = 6,077,484.10
  5. Step 5: Solve for x
    x = 6,077,484.10/3,210.99
  6. Step 6: Final answer
    x = 1,892.71

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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.