Home / 3,461.10-5,191.66-1,513.46

Finding the Fourth Proportional to 3,461.10, 5,191.66 and 1,513.46

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Solution

The fourth proportional to 3,461.10, 5,191.66 and 1,513.46 is: 2,270.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461.10 : 5,191.66 = 1,513.46 : x
  2. Step 2: Convert to fraction form
    3,461.10/5,191.66 = 1,513.46/x
  3. Step 3: Cross multiply
    3,461.10x = 5,191.66 × 1,513.46
  4. Step 4: Simplify right side
    3,461.10x = 7,857,369.74
  5. Step 5: Solve for x
    x = 7,857,369.74/3,461.10
  6. Step 6: Final answer
    x = 2,270.19

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1.5x scale

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.