Home / 3,210.84-4,431.11-2,511

Finding the Fourth Proportional to 3,210.84, 4,431.11 and 2,511

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Solution

The fourth proportional to 3,210.84, 4,431.11 and 2,511 is: 3,465.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.84 : 4,431.11 = 2,511 : x
  2. Step 2: Convert to fraction form
    3,210.84/4,431.11 = 2,511/x
  3. Step 3: Cross multiply
    3,210.84x = 4,431.11 × 2,511
  4. Step 4: Simplify right side
    3,210.84x = 11,126,504.66
  5. Step 5: Solve for x
    x = 11,126,504.66/3,210.84
  6. Step 6: Final answer
    x = 3,465.29

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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.