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Finding the Fourth Proportional to 2,928.92, 4,041.44 and 1,810.22

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Solution

The fourth proportional to 2,928.92, 4,041.44 and 1,810.22 is: 2,497.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928.92 : 4,041.44 = 1,810.22 : x
  2. Step 2: Convert to fraction form
    2,928.92/4,041.44 = 1,810.22/x
  3. Step 3: Cross multiply
    2,928.92x = 4,041.44 × 1,810.22
  4. Step 4: Simplify right side
    2,928.92x = 7,315,895.52
  5. Step 5: Solve for x
    x = 7,315,895.52/2,928.92
  6. Step 6: Final answer
    x = 2,497.81

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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.