Home / 2,070.11-3,103.85-1,146.29

Finding the Fourth Proportional to 2,070.11, 3,103.85 and 1,146.29

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Solution

The fourth proportional to 2,070.11, 3,103.85 and 1,146.29 is: 1,718.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,070.11 : 3,103.85 = 1,146.29 : x
  2. Step 2: Convert to fraction form
    2,070.11/3,103.85 = 1,146.29/x
  3. Step 3: Cross multiply
    2,070.11x = 3,103.85 × 1,146.29
  4. Step 4: Simplify right side
    2,070.11x = 3,557,899.56
  5. Step 5: Solve for x
    x = 3,557,899.56/2,070.11
  6. Step 6: Final answer
    x = 1,718.70

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1.5x scale

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.