Home / 2,237.85-3,087.77-1,353.48

Finding the Fourth Proportional to 2,237.85, 3,087.77 and 1,353.48

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Solution

The fourth proportional to 2,237.85, 3,087.77 and 1,353.48 is: 1,867.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,237.85 : 3,087.77 = 1,353.48 : x
  2. Step 2: Convert to fraction form
    2,237.85/3,087.77 = 1,353.48/x
  3. Step 3: Cross multiply
    2,237.85x = 3,087.77 × 1,353.48
  4. Step 4: Simplify right side
    2,237.85x = 4,179,228.17
  5. Step 5: Solve for x
    x = 4,179,228.17/2,237.85
  6. Step 6: Final answer
    x = 1,867.52

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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.