Home / 3,210.83-4,809.58-2,977.26

Finding the Fourth Proportional to 3,210.83, 4,809.58 and 2,977.26

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Solution

The fourth proportional to 3,210.83, 4,809.58 and 2,977.26 is: 4,459.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.83 : 4,809.58 = 2,977.26 : x
  2. Step 2: Convert to fraction form
    3,210.83/4,809.58 = 2,977.26/x
  3. Step 3: Cross multiply
    3,210.83x = 4,809.58 × 2,977.26
  4. Step 4: Simplify right side
    3,210.83x = 14,319,371.73
  5. Step 5: Solve for x
    x = 14,319,371.73/3,210.83
  6. Step 6: Final answer
    x = 4,459.71

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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.