Home / 2,341.16-3,212.82-2,209.11

Finding the Fourth Proportional to 2,341.16, 3,212.82 and 2,209.11

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Solution

The fourth proportional to 2,341.16, 3,212.82 and 2,209.11 is: 3,031.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,341.16 : 3,212.82 = 2,209.11 : x
  2. Step 2: Convert to fraction form
    2,341.16/3,212.82 = 2,209.11/x
  3. Step 3: Cross multiply
    2,341.16x = 3,212.82 × 2,209.11
  4. Step 4: Simplify right side
    2,341.16x = 7,097,457.64
  5. Step 5: Solve for x
    x = 7,097,457.64/2,341.16
  6. Step 6: Final answer
    x = 3,031.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.