Home / 2,927.08-4,034.58-2,431.48

Finding the Fourth Proportional to 2,927.08, 4,034.58 and 2,431.48

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Solution

The fourth proportional to 2,927.08, 4,034.58 and 2,431.48 is: 3,351.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.08 : 4,034.58 = 2,431.48 : x
  2. Step 2: Convert to fraction form
    2,927.08/4,034.58 = 2,431.48/x
  3. Step 3: Cross multiply
    2,927.08x = 4,034.58 × 2,431.48
  4. Step 4: Simplify right side
    2,927.08x = 9,810,000.58
  5. Step 5: Solve for x
    x = 9,810,000.58/2,927.08
  6. Step 6: Final answer
    x = 3,351.46

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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.