Home / 3,433.49-5,145.68-1,240.11

Finding the Fourth Proportional to 3,433.49, 5,145.68 and 1,240.11

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Solution

The fourth proportional to 3,433.49, 5,145.68 and 1,240.11 is: 1,858.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,433.49 : 5,145.68 = 1,240.11 : x
  2. Step 2: Convert to fraction form
    3,433.49/5,145.68 = 1,240.11/x
  3. Step 3: Cross multiply
    3,433.49x = 5,145.68 × 1,240.11
  4. Step 4: Simplify right side
    3,433.49x = 6,381,205.35
  5. Step 5: Solve for x
    x = 6,381,205.35/3,433.49
  6. Step 6: Final answer
    x = 1,858.52

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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.