Home / 2,928.48-4,034.52-2,031.36

Finding the Fourth Proportional to 2,928.48, 4,034.52 and 2,031.36

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Solution

The fourth proportional to 2,928.48, 4,034.52 and 2,031.36 is: 2,798.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928.48 : 4,034.52 = 2,031.36 : x
  2. Step 2: Convert to fraction form
    2,928.48/4,034.52 = 2,031.36/x
  3. Step 3: Cross multiply
    2,928.48x = 4,034.52 × 2,031.36
  4. Step 4: Simplify right side
    2,928.48x = 8,195,562.55
  5. Step 5: Solve for x
    x = 8,195,562.55/2,928.48
  6. Step 6: Final answer
    x = 2,798.57

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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.