Home / 2,975.31-4,104.41-1,927.17

Finding the Fourth Proportional to 2,975.31, 4,104.41 and 1,927.17

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Solution

The fourth proportional to 2,975.31, 4,104.41 and 1,927.17 is: 2,658.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.31 : 4,104.41 = 1,927.17 : x
  2. Step 2: Convert to fraction form
    2,975.31/4,104.41 = 1,927.17/x
  3. Step 3: Cross multiply
    2,975.31x = 4,104.41 × 1,927.17
  4. Step 4: Simplify right side
    2,975.31x = 7,909,886.18
  5. Step 5: Solve for x
    x = 7,909,886.18/2,975.31
  6. Step 6: Final answer
    x = 2,658.51

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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.