Home / 4,338.07-5,987.24-2,660.40

Finding the Fourth Proportional to 4,338.07, 5,987.24 and 2,660.40

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Solution

The fourth proportional to 4,338.07, 5,987.24 and 2,660.40 is: 3,671.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,338.07 : 5,987.24 = 2,660.40 : x
  2. Step 2: Convert to fraction form
    4,338.07/5,987.24 = 2,660.40/x
  3. Step 3: Cross multiply
    4,338.07x = 5,987.24 × 2,660.40
  4. Step 4: Simplify right side
    4,338.07x = 15,928,423.36
  5. Step 5: Solve for x
    x = 15,928,423.36/4,338.07
  6. Step 6: Final answer
    x = 3,671.78

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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.