Home / 2,664.05-3,675.11-2,070.51

Finding the Fourth Proportional to 2,664.05, 3,675.11 and 2,070.51

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Solution

The fourth proportional to 2,664.05, 3,675.11 and 2,070.51 is: 2,856.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,664.05 : 3,675.11 = 2,070.51 : x
  2. Step 2: Convert to fraction form
    2,664.05/3,675.11 = 2,070.51/x
  3. Step 3: Cross multiply
    2,664.05x = 3,675.11 × 2,070.51
  4. Step 4: Simplify right side
    2,664.05x = 7,609,341.65
  5. Step 5: Solve for x
    x = 7,609,341.65/2,664.05
  6. Step 6: Final answer
    x = 2,856.31

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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.