Home / 3,582.40-4,942.24-2,255.36

Finding the Fourth Proportional to 3,582.40, 4,942.24 and 2,255.36

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Solution

The fourth proportional to 3,582.40, 4,942.24 and 2,255.36 is: 3,111.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,582.40 : 4,942.24 = 2,255.36 : x
  2. Step 2: Convert to fraction form
    3,582.40/4,942.24 = 2,255.36/x
  3. Step 3: Cross multiply
    3,582.40x = 4,942.24 × 2,255.36
  4. Step 4: Simplify right side
    3,582.40x = 11,146,530.41
  5. Step 5: Solve for x
    x = 11,146,530.41/3,582.40
  6. Step 6: Final answer
    x = 3,111.47

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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.