Home / 3,537.28-4,881.48-1,965.40

Finding the Fourth Proportional to 3,537.28, 4,881.48 and 1,965.40

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Solution

The fourth proportional to 3,537.28, 4,881.48 and 1,965.40 is: 2,712.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,537.28 : 4,881.48 = 1,965.40 : x
  2. Step 2: Convert to fraction form
    3,537.28/4,881.48 = 1,965.40/x
  3. Step 3: Cross multiply
    3,537.28x = 4,881.48 × 1,965.40
  4. Step 4: Simplify right side
    3,537.28x = 9,594,060.79
  5. Step 5: Solve for x
    x = 9,594,060.79/3,537.28
  6. Step 6: Final answer
    x = 2,712.27

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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.