Home / 2,772.80-4,165.28-2,047.04

Finding the Fourth Proportional to 2,772.80, 4,165.28 and 2,047.04

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Solution

The fourth proportional to 2,772.80, 4,165.28 and 2,047.04 is: 3,075.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772.80 : 4,165.28 = 2,047.04 : x
  2. Step 2: Convert to fraction form
    2,772.80/4,165.28 = 2,047.04/x
  3. Step 3: Cross multiply
    2,772.80x = 4,165.28 × 2,047.04
  4. Step 4: Simplify right side
    2,772.80x = 8,526,484.54
  5. Step 5: Solve for x
    x = 8,526,484.54/2,772.80
  6. Step 6: Final answer
    x = 3,075.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.