Home / 2,041.14-2,816.76-1,109.64

Finding the Fourth Proportional to 2,041.14, 2,816.76 and 1,109.64

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Solution

The fourth proportional to 2,041.14, 2,816.76 and 1,109.64 is: 1,531.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,041.14 : 2,816.76 = 1,109.64 : x
  2. Step 2: Convert to fraction form
    2,041.14/2,816.76 = 1,109.64/x
  3. Step 3: Cross multiply
    2,041.14x = 2,816.76 × 1,109.64
  4. Step 4: Simplify right side
    2,041.14x = 3,125,589.57
  5. Step 5: Solve for x
    x = 3,125,589.57/2,041.14
  6. Step 6: Final answer
    x = 1,531.30

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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.