Home / 2,348.48-3,241.36-1,353.72

Finding the Fourth Proportional to 2,348.48, 3,241.36 and 1,353.72

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Solution

The fourth proportional to 2,348.48, 3,241.36 and 1,353.72 is: 1,868.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,348.48 : 3,241.36 = 1,353.72 : x
  2. Step 2: Convert to fraction form
    2,348.48/3,241.36 = 1,353.72/x
  3. Step 3: Cross multiply
    2,348.48x = 3,241.36 × 1,353.72
  4. Step 4: Simplify right side
    2,348.48x = 4,387,893.86
  5. Step 5: Solve for x
    x = 4,387,893.86/2,348.48
  6. Step 6: Final answer
    x = 1,868.40

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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.