Home / 2,993.54-4,133.69-1,876.40

Finding the Fourth Proportional to 2,993.54, 4,133.69 and 1,876.40

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Solution

The fourth proportional to 2,993.54, 4,133.69 and 1,876.40 is: 2,591.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993.54 : 4,133.69 = 1,876.40 : x
  2. Step 2: Convert to fraction form
    2,993.54/4,133.69 = 1,876.40/x
  3. Step 3: Cross multiply
    2,993.54x = 4,133.69 × 1,876.40
  4. Step 4: Simplify right side
    2,993.54x = 7,756,425.87
  5. Step 5: Solve for x
    x = 7,756,425.87/2,993.54
  6. Step 6: Final answer
    x = 2,591.06

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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.