Home / 2,986.89-4,478.18-1,524.93

Finding the Fourth Proportional to 2,986.89, 4,478.18 and 1,524.93

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Solution

The fourth proportional to 2,986.89, 4,478.18 and 1,524.93 is: 2,286.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986.89 : 4,478.18 = 1,524.93 : x
  2. Step 2: Convert to fraction form
    2,986.89/4,478.18 = 1,524.93/x
  3. Step 3: Cross multiply
    2,986.89x = 4,478.18 × 1,524.93
  4. Step 4: Simplify right side
    2,986.89x = 6,828,903.40
  5. Step 5: Solve for x
    x = 6,828,903.40/2,986.89
  6. Step 6: Final answer
    x = 2,286.29

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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.