Home / 4,338.59-5,985-2,660.39

Finding the Fourth Proportional to 4,338.59, 5,985 and 2,660.39

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Solution

The fourth proportional to 4,338.59, 5,985 and 2,660.39 is: 3,669.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,338.59 : 5,985 = 2,660.39 : x
  2. Step 2: Convert to fraction form
    4,338.59/5,985 = 2,660.39/x
  3. Step 3: Cross multiply
    4,338.59x = 5,985 × 2,660.39
  4. Step 4: Simplify right side
    4,338.59x = 15,922,434.15
  5. Step 5: Solve for x
    x = 15,922,434.15/4,338.59
  6. Step 6: Final answer
    x = 3,669.96

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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.