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Finding the Fourth Proportional to 3,513.32, 4,848.38 and 1,941.40

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Solution

The fourth proportional to 3,513.32, 4,848.38 and 1,941.40 is: 2,679.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.32 : 4,848.38 = 1,941.40 : x
  2. Step 2: Convert to fraction form
    3,513.32/4,848.38 = 1,941.40/x
  3. Step 3: Cross multiply
    3,513.32x = 4,848.38 × 1,941.40
  4. Step 4: Simplify right side
    3,513.32x = 9,412,644.93
  5. Step 5: Solve for x
    x = 9,412,644.93/3,513.32
  6. Step 6: Final answer
    x = 2,679.13

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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.