Home / 2,926.12-4,041.51-1,980.27

Finding the Fourth Proportional to 2,926.12, 4,041.51 and 1,980.27

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Solution

The fourth proportional to 2,926.12, 4,041.51 and 1,980.27 is: 2,735.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926.12 : 4,041.51 = 1,980.27 : x
  2. Step 2: Convert to fraction form
    2,926.12/4,041.51 = 1,980.27/x
  3. Step 3: Cross multiply
    2,926.12x = 4,041.51 × 1,980.27
  4. Step 4: Simplify right side
    2,926.12x = 8,003,286.06
  5. Step 5: Solve for x
    x = 8,003,286.06/2,926.12
  6. Step 6: Final answer
    x = 2,735.12

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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.