Home / 2,205.79-3,044.03-1,261.67

Finding the Fourth Proportional to 2,205.79, 3,044.03 and 1,261.67

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Solution

The fourth proportional to 2,205.79, 3,044.03 and 1,261.67 is: 1,741.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205.79 : 3,044.03 = 1,261.67 : x
  2. Step 2: Convert to fraction form
    2,205.79/3,044.03 = 1,261.67/x
  3. Step 3: Cross multiply
    2,205.79x = 3,044.03 × 1,261.67
  4. Step 4: Simplify right side
    2,205.79x = 3,840,549.26
  5. Step 5: Solve for x
    x = 3,840,549.26/2,205.79
  6. Step 6: Final answer
    x = 1,741.12

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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.