Home / 2,070.10-3,103.40-899.22

Finding the Fourth Proportional to 2,070.10, 3,103.40 and 899.22

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Solution

The fourth proportional to 2,070.10, 3,103.40 and 899.22 is: 1,348.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,070.10 : 3,103.40 = 899.22 : x
  2. Step 2: Convert to fraction form
    2,070.10/3,103.40 = 899.22/x
  3. Step 3: Cross multiply
    2,070.10x = 3,103.40 × 899.22
  4. Step 4: Simplify right side
    2,070.10x = 2,790,639.35
  5. Step 5: Solve for x
    x = 2,790,639.35/2,070.10
  6. Step 6: Final answer
    x = 1,348.07

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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.