Home / 3,011.16-4,513.40-1,621.04

Finding the Fourth Proportional to 3,011.16, 4,513.40 and 1,621.04

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Solution

The fourth proportional to 3,011.16, 4,513.40 and 1,621.04 is: 2,429.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,011.16 : 4,513.40 = 1,621.04 : x
  2. Step 2: Convert to fraction form
    3,011.16/4,513.40 = 1,621.04/x
  3. Step 3: Cross multiply
    3,011.16x = 4,513.40 × 1,621.04
  4. Step 4: Simplify right side
    3,011.16x = 7,316,401.94
  5. Step 5: Solve for x
    x = 7,316,401.94/3,011.16
  6. Step 6: Final answer
    x = 2,429.76

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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.