Home / 2,901.25-4,347.97-2,117.58

Finding the Fourth Proportional to 2,901.25, 4,347.97 and 2,117.58

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Solution

The fourth proportional to 2,901.25, 4,347.97 and 2,117.58 is: 3,173.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,901.25 : 4,347.97 = 2,117.58 : x
  2. Step 2: Convert to fraction form
    2,901.25/4,347.97 = 2,117.58/x
  3. Step 3: Cross multiply
    2,901.25x = 4,347.97 × 2,117.58
  4. Step 4: Simplify right side
    2,901.25x = 9,207,174.31
  5. Step 5: Solve for x
    x = 9,207,174.31/2,901.25
  6. Step 6: Final answer
    x = 3,173.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.