Home / 1,366.20-2,049.30-846.33

Finding the Fourth Proportional to 1,366.20, 2,049.30 and 846.33

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Solution

The fourth proportional to 1,366.20, 2,049.30 and 846.33 is: 1,269.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366.20 : 2,049.30 = 846.33 : x
  2. Step 2: Convert to fraction form
    1,366.20/2,049.30 = 846.33/x
  3. Step 3: Cross multiply
    1,366.20x = 2,049.30 × 846.33
  4. Step 4: Simplify right side
    1,366.20x = 1,734,384.07
  5. Step 5: Solve for x
    x = 1,734,384.07/1,366.20
  6. Step 6: Final answer
    x = 1,269.50

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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.