Home / 2,209.17-3,313.75-1,234.13

Finding the Fourth Proportional to 2,209.17, 3,313.75 and 1,234.13

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Solution

The fourth proportional to 2,209.17, 3,313.75 and 1,234.13 is: 1,851.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209.17 : 3,313.75 = 1,234.13 : x
  2. Step 2: Convert to fraction form
    2,209.17/3,313.75 = 1,234.13/x
  3. Step 3: Cross multiply
    2,209.17x = 3,313.75 × 1,234.13
  4. Step 4: Simplify right side
    2,209.17x = 4,089,598.29
  5. Step 5: Solve for x
    x = 4,089,598.29/2,209.17
  6. Step 6: Final answer
    x = 1,851.19

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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.