Home / 3,651.40-5,039.58-2,392.66

Finding the Fourth Proportional to 3,651.40, 5,039.58 and 2,392.66

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Solution

The fourth proportional to 3,651.40, 5,039.58 and 2,392.66 is: 3,302.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,651.40 : 5,039.58 = 2,392.66 : x
  2. Step 2: Convert to fraction form
    3,651.40/5,039.58 = 2,392.66/x
  3. Step 3: Cross multiply
    3,651.40x = 5,039.58 × 2,392.66
  4. Step 4: Simplify right side
    3,651.40x = 12,058,001.48
  5. Step 5: Solve for x
    x = 12,058,001.48/3,651.40
  6. Step 6: Final answer
    x = 3,302.30

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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.