Home / 3,461.56-5,186.10-1,899.88

Finding the Fourth Proportional to 3,461.56, 5,186.10 and 1,899.88

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Solution

The fourth proportional to 3,461.56, 5,186.10 and 1,899.88 is: 2,846.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461.56 : 5,186.10 = 1,899.88 : x
  2. Step 2: Convert to fraction form
    3,461.56/5,186.10 = 1,899.88/x
  3. Step 3: Cross multiply
    3,461.56x = 5,186.10 × 1,899.88
  4. Step 4: Simplify right side
    3,461.56x = 9,852,967.67
  5. Step 5: Solve for x
    x = 9,852,967.67/3,461.56
  6. Step 6: Final answer
    x = 2,846.40

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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.