Home / 2,913.15-4,369.60-2,521.87

Finding the Fourth Proportional to 2,913.15, 4,369.60 and 2,521.87

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Solution

The fourth proportional to 2,913.15, 4,369.60 and 2,521.87 is: 3,782.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.15 : 4,369.60 = 2,521.87 : x
  2. Step 2: Convert to fraction form
    2,913.15/4,369.60 = 2,521.87/x
  3. Step 3: Cross multiply
    2,913.15x = 4,369.60 × 2,521.87
  4. Step 4: Simplify right side
    2,913.15x = 11,019,563.15
  5. Step 5: Solve for x
    x = 11,019,563.15/2,913.15
  6. Step 6: Final answer
    x = 3,782.70

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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.