Home / 4,145.76-5,722.56-2,377.44

Finding the Fourth Proportional to 4,145.76, 5,722.56 and 2,377.44

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Solution

The fourth proportional to 4,145.76, 5,722.56 and 2,377.44 is: 3,281.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.76 : 5,722.56 = 2,377.44 : x
  2. Step 2: Convert to fraction form
    4,145.76/5,722.56 = 2,377.44/x
  3. Step 3: Cross multiply
    4,145.76x = 5,722.56 × 2,377.44
  4. Step 4: Simplify right side
    4,145.76x = 13,605,043.05
  5. Step 5: Solve for x
    x = 13,605,043.05/4,145.76
  6. Step 6: Final answer
    x = 3,281.68

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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.