Home / 2,055.20-3,077.04-1,283.36

Finding the Fourth Proportional to 2,055.20, 3,077.04 and 1,283.36

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Solution

The fourth proportional to 2,055.20, 3,077.04 and 1,283.36 is: 1,921.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,055.20 : 3,077.04 = 1,283.36 : x
  2. Step 2: Convert to fraction form
    2,055.20/3,077.04 = 1,283.36/x
  3. Step 3: Cross multiply
    2,055.20x = 3,077.04 × 1,283.36
  4. Step 4: Simplify right side
    2,055.20x = 3,948,950.05
  5. Step 5: Solve for x
    x = 3,948,950.05/2,055.20
  6. Step 6: Final answer
    x = 1,921.44

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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.