Home / 2,347.37-3,239.37-1,285.15

Finding the Fourth Proportional to 2,347.37, 3,239.37 and 1,285.15

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Solution

The fourth proportional to 2,347.37, 3,239.37 and 1,285.15 is: 1,773.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,347.37 : 3,239.37 = 1,285.15 : x
  2. Step 2: Convert to fraction form
    2,347.37/3,239.37 = 1,285.15/x
  3. Step 3: Cross multiply
    2,347.37x = 3,239.37 × 1,285.15
  4. Step 4: Simplify right side
    2,347.37x = 4,163,076.36
  5. Step 5: Solve for x
    x = 4,163,076.36/2,347.37
  6. Step 6: Final answer
    x = 1,773.51

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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.