Home / 2,950.10-4,070.94-1,691.16

Finding the Fourth Proportional to 2,950.10, 4,070.94 and 1,691.16

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Solution

The fourth proportional to 2,950.10, 4,070.94 and 1,691.16 is: 2,333.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,950.10 : 4,070.94 = 1,691.16 : x
  2. Step 2: Convert to fraction form
    2,950.10/4,070.94 = 1,691.16/x
  3. Step 3: Cross multiply
    2,950.10x = 4,070.94 × 1,691.16
  4. Step 4: Simplify right side
    2,950.10x = 6,884,610.89
  5. Step 5: Solve for x
    x = 6,884,610.89/2,950.10
  6. Step 6: Final answer
    x = 2,333.69

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1.5x scale

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.