Home / 2,041.20-2,809.08-1,969.92

Finding the Fourth Proportional to 2,041.20, 2,809.08 and 1,969.92

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Solution

The fourth proportional to 2,041.20, 2,809.08 and 1,969.92 is: 2,710.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,041.20 : 2,809.08 = 1,969.92 : x
  2. Step 2: Convert to fraction form
    2,041.20/2,809.08 = 1,969.92/x
  3. Step 3: Cross multiply
    2,041.20x = 2,809.08 × 1,969.92
  4. Step 4: Simplify right side
    2,041.20x = 5,533,662.87
  5. Step 5: Solve for x
    x = 5,533,662.87/2,041.20
  6. Step 6: Final answer
    x = 2,710.99

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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.