Home / 2,901.75-4,001.72-2,237.55

Finding the Fourth Proportional to 2,901.75, 4,001.72 and 2,237.55

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Solution

The fourth proportional to 2,901.75, 4,001.72 and 2,237.55 is: 3,085.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,901.75 : 4,001.72 = 2,237.55 : x
  2. Step 2: Convert to fraction form
    2,901.75/4,001.72 = 2,237.55/x
  3. Step 3: Cross multiply
    2,901.75x = 4,001.72 × 2,237.55
  4. Step 4: Simplify right side
    2,901.75x = 8,954,037.40
  5. Step 5: Solve for x
    x = 8,954,037.40/2,901.75
  6. Step 6: Final answer
    x = 3,085.74

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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.