Home / 2,919.56-4,031.72-1,873.44

Finding the Fourth Proportional to 2,919.56, 4,031.72 and 1,873.44

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Solution

The fourth proportional to 2,919.56, 4,031.72 and 1,873.44 is: 2,587.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919.56 : 4,031.72 = 1,873.44 : x
  2. Step 2: Convert to fraction form
    2,919.56/4,031.72 = 1,873.44/x
  3. Step 3: Cross multiply
    2,919.56x = 4,031.72 × 1,873.44
  4. Step 4: Simplify right side
    2,919.56x = 7,553,185.52
  5. Step 5: Solve for x
    x = 7,553,185.52/2,919.56
  6. Step 6: Final answer
    x = 2,587.10

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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.