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Finding the Fourth Proportional to 2,070.08, 2,850.15 and 1,754.65

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Solution

The fourth proportional to 2,070.08, 2,850.15 and 1,754.65 is: 2,415.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,070.08 : 2,850.15 = 1,754.65 : x
  2. Step 2: Convert to fraction form
    2,070.08/2,850.15 = 1,754.65/x
  3. Step 3: Cross multiply
    2,070.08x = 2,850.15 × 1,754.65
  4. Step 4: Simplify right side
    2,070.08x = 5,001,015.70
  5. Step 5: Solve for x
    x = 5,001,015.70/2,070.08
  6. Step 6: Final answer
    x = 2,415.86

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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.