Home / 3,795.61-5,240.38-2,381.23

Finding the Fourth Proportional to 3,795.61, 5,240.38 and 2,381.23

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Solution

The fourth proportional to 3,795.61, 5,240.38 and 2,381.23 is: 3,287.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,795.61 : 5,240.38 = 2,381.23 : x
  2. Step 2: Convert to fraction form
    3,795.61/5,240.38 = 2,381.23/x
  3. Step 3: Cross multiply
    3,795.61x = 5,240.38 × 2,381.23
  4. Step 4: Simplify right side
    3,795.61x = 12,478,551.26
  5. Step 5: Solve for x
    x = 12,478,551.26/3,795.61
  6. Step 6: Final answer
    x = 3,287.63

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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.