Home / 2,070.15-3,103.20-1,029.30

Finding the Fourth Proportional to 2,070.15, 3,103.20 and 1,029.30

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Solution

The fourth proportional to 2,070.15, 3,103.20 and 1,029.30 is: 1,542.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,070.15 : 3,103.20 = 1,029.30 : x
  2. Step 2: Convert to fraction form
    2,070.15/3,103.20 = 1,029.30/x
  3. Step 3: Cross multiply
    2,070.15x = 3,103.20 × 1,029.30
  4. Step 4: Simplify right side
    2,070.15x = 3,194,123.76
  5. Step 5: Solve for x
    x = 3,194,123.76/2,070.15
  6. Step 6: Final answer
    x = 1,542.94

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.