Home / 2,237.20-3,087.62-1,353.00

Finding the Fourth Proportional to 2,237.20, 3,087.62 and 1,353.00

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Solution

The fourth proportional to 2,237.20, 3,087.62 and 1,353.00 is: 1,867.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,237.20 : 3,087.62 = 1,353.00 : x
  2. Step 2: Convert to fraction form
    2,237.20/3,087.62 = 1,353.00/x
  3. Step 3: Cross multiply
    2,237.20x = 3,087.62 × 1,353.00
  4. Step 4: Simplify right side
    2,237.20x = 4,177,531.52
  5. Step 5: Solve for x
    x = 4,177,531.52/2,237.20
  6. Step 6: Final answer
    x = 1,867.31

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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.