Home / 2,195.30-3,029.09-1,487.72

Finding the Fourth Proportional to 2,195.30, 3,029.09 and 1,487.72

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Solution

The fourth proportional to 2,195.30, 3,029.09 and 1,487.72 is: 2,052.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.30 : 3,029.09 = 1,487.72 : x
  2. Step 2: Convert to fraction form
    2,195.30/3,029.09 = 1,487.72/x
  3. Step 3: Cross multiply
    2,195.30x = 3,029.09 × 1,487.72
  4. Step 4: Simplify right side
    2,195.30x = 4,506,415.19
  5. Step 5: Solve for x
    x = 4,506,415.19/2,195.30
  6. Step 6: Final answer
    x = 2,052.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.