Home / 4,219.50-6,329.34-1,298.06

Finding the Fourth Proportional to 4,219.50, 6,329.34 and 1,298.06

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Solution

The fourth proportional to 4,219.50, 6,329.34 and 1,298.06 is: 1,947.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,219.50 : 6,329.34 = 1,298.06 : x
  2. Step 2: Convert to fraction form
    4,219.50/6,329.34 = 1,298.06/x
  3. Step 3: Cross multiply
    4,219.50x = 6,329.34 × 1,298.06
  4. Step 4: Simplify right side
    4,219.50x = 8,215,863.08
  5. Step 5: Solve for x
    x = 8,215,863.08/4,219.50
  6. Step 6: Final answer
    x = 1,947.12

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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.