Home / 2,353.07-3,247.21-1,305.07

Finding the Fourth Proportional to 2,353.07, 3,247.21 and 1,305.07

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Solution

The fourth proportional to 2,353.07, 3,247.21 and 1,305.07 is: 1,800.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,353.07 : 3,247.21 = 1,305.07 : x
  2. Step 2: Convert to fraction form
    2,353.07/3,247.21 = 1,305.07/x
  3. Step 3: Cross multiply
    2,353.07x = 3,247.21 × 1,305.07
  4. Step 4: Simplify right side
    2,353.07x = 4,237,836.35
  5. Step 5: Solve for x
    x = 4,237,836.35/2,353.07
  6. Step 6: Final answer
    x = 1,800.98

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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.