Home / 3,439.93-4,738.59-2,934.13

Finding the Fourth Proportional to 3,439.93, 4,738.59 and 2,934.13

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Solution

The fourth proportional to 3,439.93, 4,738.59 and 2,934.13 is: 4,041.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.93 : 4,738.59 = 2,934.13 : x
  2. Step 2: Convert to fraction form
    3,439.93/4,738.59 = 2,934.13/x
  3. Step 3: Cross multiply
    3,439.93x = 4,738.59 × 2,934.13
  4. Step 4: Simplify right side
    3,439.93x = 13,903,657.69
  5. Step 5: Solve for x
    x = 13,903,657.69/3,439.93
  6. Step 6: Final answer
    x = 4,041.85

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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.