Home / 3,943.54-5,904.87-2,381.45

Finding the Fourth Proportional to 3,943.54, 5,904.87 and 2,381.45

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Solution

The fourth proportional to 3,943.54, 5,904.87 and 2,381.45 is: 3,565.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.54 : 5,904.87 = 2,381.45 : x
  2. Step 2: Convert to fraction form
    3,943.54/5,904.87 = 2,381.45/x
  3. Step 3: Cross multiply
    3,943.54x = 5,904.87 × 2,381.45
  4. Step 4: Simplify right side
    3,943.54x = 14,062,152.66
  5. Step 5: Solve for x
    x = 14,062,152.66/3,943.54
  6. Step 6: Final answer
    x = 3,565.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.