Home / 4,219.71-6,330.24-1,298.01

Finding the Fourth Proportional to 4,219.71, 6,330.24 and 1,298.01

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Solution

The fourth proportional to 4,219.71, 6,330.24 and 1,298.01 is: 1,947.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,219.71 : 6,330.24 = 1,298.01 : x
  2. Step 2: Convert to fraction form
    4,219.71/6,330.24 = 1,298.01/x
  3. Step 3: Cross multiply
    4,219.71x = 6,330.24 × 1,298.01
  4. Step 4: Simplify right side
    4,219.71x = 8,216,702.95
  5. Step 5: Solve for x
    x = 8,216,702.95/4,219.71
  6. Step 6: Final answer
    x = 1,947.22

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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.