Home / 1,963.18-2,939.06-1,529.02

Finding the Fourth Proportional to 1,963.18, 2,939.06 and 1,529.02

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Solution

The fourth proportional to 1,963.18, 2,939.06 and 1,529.02 is: 2,289.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,963.18 : 2,939.06 = 1,529.02 : x
  2. Step 2: Convert to fraction form
    1,963.18/2,939.06 = 1,529.02/x
  3. Step 3: Cross multiply
    1,963.18x = 2,939.06 × 1,529.02
  4. Step 4: Simplify right side
    1,963.18x = 4,493,881.52
  5. Step 5: Solve for x
    x = 4,493,881.52/1,963.18
  6. Step 6: Final answer
    x = 2,289.08

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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.