Home / 2,348.84-3,240.36-1,353.92

Finding the Fourth Proportional to 2,348.84, 3,240.36 and 1,353.92

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Solution

The fourth proportional to 2,348.84, 3,240.36 and 1,353.92 is: 1,867.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,348.84 : 3,240.36 = 1,353.92 : x
  2. Step 2: Convert to fraction form
    2,348.84/3,240.36 = 1,353.92/x
  3. Step 3: Cross multiply
    2,348.84x = 3,240.36 × 1,353.92
  4. Step 4: Simplify right side
    2,348.84x = 4,387,188.21
  5. Step 5: Solve for x
    x = 4,387,188.21/2,348.84
  6. Step 6: Final answer
    x = 1,867.81

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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.