Home / 2,237.54-3,085.36-1,397.95

Finding the Fourth Proportional to 2,237.54, 3,085.36 and 1,397.95

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Solution

The fourth proportional to 2,237.54, 3,085.36 and 1,397.95 is: 1,927.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,237.54 : 3,085.36 = 1,397.95 : x
  2. Step 2: Convert to fraction form
    2,237.54/3,085.36 = 1,397.95/x
  3. Step 3: Cross multiply
    2,237.54x = 3,085.36 × 1,397.95
  4. Step 4: Simplify right side
    2,237.54x = 4,313,167.80
  5. Step 5: Solve for x
    x = 4,313,167.80/2,237.54
  6. Step 6: Final answer
    x = 1,927.64

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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.